The process whereby heat flows by means of molecular collisions is referred to as conduction.
Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules. Conduction occurs more readily in solids and liquids, where the particles are closer together than in gases, where particles are further apart.
Because in conduction molecules are closely packed. When one molecule is heated, it vibrates higher than lower energized molecules or the lower temperature molecules and collide with and finally transfer some energy to them.
The rate of energy transfer by conduction is higher when there is a large temperature difference between the substances that are in contact.
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Most scientists use scientific methods in which of the following orders?
A. Conduct an experiment, collect the data, and analyze data
B. Conduct an experiment, draw conclusions, and form a hypothesis C. Conduct an experiment, analyze data, and state the question
D. Conduct an experiment, form a hypothesis, and state the question
What if the light intensity was 1000, what do you predict the ATP production percentage would be?
Main Answer:
ATP Production will not change as change in wavelength because it depends on no. of photons striking the surface means intensity of light.
Explanation:
ATP Production is depend upon intensity of light and not on wavelength of light.
No. of electrons involved in ATP Production depends on intensity of light.
If the light intensity is about 1000, then it will not positively affect ATP synthesis. Because enzymes do not function properly, it may harm photosynthesis.
What Role Does Light Play in Photosynthesis?The sunlight acts as a catalyst for the photosynthesis process and promotes the production of ATP (energy), glucose, and oxygen. The sunlight breaks the water molecule and forms the electron. This process is called photolysis of water and takes place in the thylakoid membrane. This occurs in the thylakoid membrane's Photosystem II (PS II).
Electrons move from photosystem II to photosystem I. The movement of the electron generates the proton gradient across the membrane. Due to the higher protons inside the lumen of the thylakoid, these move to the outer side, and as a result, ATP synthase makes ATP. If such a bright light shines on these complexes, the enzymes will stop working and ATP synthesis will suffer.
Hence, an increase in light intensity would have a negative impact on ATP production.
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Disease that is characterized as having lack of energy and protein is called?
Answer:
Sounds closest to: Kwashiorkor
Explanation:
Kwashiorkor is a disease brought on by severe protein malnourishment. In Kwashiorkor, extended breastfeeding and late, insufficient weaning lead to low calorie intakes but significantly superior biological value. As a result, a kid with kwashiorkor will likely experience compromised organ function and development. Sudden outbreaks of diseases like the measles, gastroenteritis, or pneumonia exacerbate the issue by increasing needs while maintaining low intakes. The kid may exhibit oedema of the face and lower limbs, failure to grow, anorexia, diarrhea, lethargy, dermatosis, flaky-looking skin, scant, soft, and thin hair, angular stomatitis, cheilosis, and anemia as a result of this scenario.
This is a bit similar to Marasmus.
But there is a difference.
But ⇒ how does kwashiorkor and marasmus differ?
Kwashiorkor is predominantly a protein shortage, despite adequate calorie intake. When a youngster is weaned off of protein-rich breast milk, it frequently happens. The patient will show signs of oedema, an enlarged abdomen, and other conditions.
Marasmus is a total energy shortage that causes a body weight that is at least 60% below normal. The victim will only be malnourished.
What are the two major modes of glycolysis and what is the purpose of each mode?
The two major modes of glycolysis are aerobic and anaerobic glycolysis.
Glycolysis is the method by which glucose is broken down to produce energy. It generates two pyruvate molecules, ATP, NADH, and water. There is no need for oxygen throughout the process, which occurs in the cytoplasm of a cell.
Both anaerobic and aerobic conditions can result in glycolysis.
Pyruvate enters the citric acid cycle under aerobic conditions and proceeds through oxidative phosphorylation, which results in the net synthesis of 32 ATP molecules. Pyruvate is converted to lactate in anaerobic conditions by anaerobic glycolysis. During anaerobic respiration, two ATP molecules are produced.
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Which of the following are not advantages of active or depleted oil and gas reservoirs for CO2 storage?
1. Proven storage integrity
2. Available in all regions
3. Enhanced hydrocarbon recovery
4. Established infrastructure
The following which is not an advantage of active or depleted oil and gas reservoirs for CO2 storage is it being available in all regions and is denoted as option 2.
What is Reservoir?These are structures which are man made and used for the purpose of storage of different types of substances.
Reservoirs made for CO2 storage ensures easier recovery of hydrocarbons etc but aren't available in all regions thereby making it the most appropriate choice.
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As a forest becomes fragmented into smaller and smaller patches, the effects of fragmentation on these patches.
As a forest becomes fragmented into smaller and smaller patches, the effects of fragmentation on these patches might result in the Edge effect.
What are the effects of Fragmentation?The fragmentation of habitat is a serious issue all across the planet. Even a small reduction in the total area of wild areas is unacceptable.However, it can compromise the integrity of entire ecosystems when fragmentation is present.The so-called "edge effect" can also result from fragmentation. Some species prefer moist, shaded environments, including some mosses and lichens. As a forest area gets smaller, it's possible that they'll become exposed to too much light or a drying wind and vanish.The species with the largest home ranges can survive in a healthy forest because it is big enough for them. They can be quite vulnerable to fragmentation because they are typically the top predators.Many species may be unable to travel if their natural habitat is fragmented, leading to their extinction.Hence, the Edge effect may occur as forest fragments into ever-tinier patches as a result of the impacts of fragmentation on these patches.
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What organism began to grow in large numbers in lake washington as a result of the relaase of effluent from sewage treatment plans?
Cyanobacteria (blue-green algae) began to grow in large numbers in lake Washington as a result of the release of effluent from sewage treatment plans. Human activities have a big impact on water quality, but other, more subtle biological processes are also quite important.
An intriguing illustration of how anthropogenic factors and biological processes can change water quality is Lake Washington. The late Dr. W.T. Edmondson, spent many years researching the biology and chemistry of Lake Washington.Between 1941 and 1963, the lake received growing amounts of secondary processed sewage, which led to eutrophication and a decrease in the lake's water quality. From 1955 to 1973, cyanobacteria dominated the planktonic algae community.
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differentiate between natural resources and water resources
Answer:
Explanation:
Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. 97% of the water on the Earth is salt water and only three percent is fresh water; slightly over two thirds of this is frozen in glaciers and polar ice caps where as Natural resources are resources that are drawn from nature and used with few modifications. This includes the sources of valued characteristics such as commercial and industrial use, aesthetic value, scientific interest and cultural value
The poisonous chemical carbon monoxide inhibits the electron transport chain of cellular respiration. as a result:____.
Carbon monoxide inhibits mitochondrial respiration by binding the ferrous heme a3 in the active site of COX, effectively shutting down oxidative phosphorylation .
Aerobic respiration is a process that utilizes the electron transport chain in order to oxidize glucose into energy. If a chemical were added that inhibited the electron transport chain, the cell would no longer be able to fully oxidize glucose. Carbon monoxide specifically inhibits cytochrome c oxidase of human mitochondrial respiratory chain.CO inactivates cytochrome oxidase. This leads to decreased ATP production, especially in tissues with high metabolic demands (brain, heart). The electron transport chain continues, generating superoxide radicals, leading to further damage.
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What are the phagocytic specialists?
a. basophils and monocytes
b. basophils and erythrocytes
c. neutrophils and eosinophils
d. neutrophils and macrophages
e. eosinophils and macrophages
The Phagocytic specialists are neutrophils, monocytes and macrophages.
What is Phagocyte?A phagocyte is a special kind of cell that can take in and occasionally digest foreign substances like bacteria, carbon, dust, or dye. By producing vacuoles (cytoplasmic extensions that resemble feet) around the foreign particle, it engulfs foreign materials by extending its cytoplasm into pseudopods. While the bacteria are still inside the vacuole, where digestion occurs, phagocyte enzymes are produced, protecting the phagocyte from any poisons that may be present in the ingested bacteria.Monocytes (macrophages) and neutrophilic leukocytes (microphages), two different subtypes of white blood cells, are phagocytic. Small, granular leukocytes known as neutrophils soon appear at the site of a wound. About three days after infection, monocytes start to appear.They are bigger cells with a large, kidney-shaped nucleus that scavenge for bacteria.
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Why did temujin take the name genghis khan after founding the mongol empire? he chose the name to intimidate other tribes. it was his given mongol name at birth. it was the name given to him through the mandate of heaven. he chose a name that would identify him as a universal leader.
Genghis Khan (aka Chinggis Khan) was the founder of the Mongol Empire which he ruled from 1206 until his death in 1227. Born Temujin, he acquired the title of Genghis Khan, likely meaning 'universal ruler’, after unifying the Mongol tribes. Utterly ruthless with his enemies, countless innocents were slaughtered in his campaigns of terror - millions according to medieval chroniclers.
Genghis Khan attacked the Xi Xia and Jin states and then Song China. In the other direction, his fast-moving armies invaded Persia, Afghanistan, and even Russia. Genghis Khan had a fearsome reputation but he was an able administrator who introduced writing to the Mongols, created their first law code, promoted trade and granted religious freedom by permitting all religions to be freely practised anywhere in the Mongol world. In this way, Genghis Khan built the foundations of an empire which would, under his successors, ultimately control one-fifth of the globe.
Temujin, acquired the title of Genghis Khan, likely meaning 'universal ruler’, after unifying the Mongol tribes.
Genghis Khan and the Mongol Empire:
Genghis Khan, aka Chinggis Khan, was the founder of the Mongol Empire which he ruled from 1206 until his death in 1227. Utterly ruthless with his enemies, countless innocents were slaughtered in his campaigns of terror - millions according to medieval chroniclers.Genghis Khan attacked the Xi Xia and Jin states and then Song China. In the other direction, his fast-moving armies invaded Persia, Afghanistan, and even Russia. Genghis Khan had a fearsome reputation but he was an able administrator who introduced writing to the Mongols, created their first law code, promoted trade and granted religious freedom by permitting all religions to be freely practised anywhere in the Mongol world. In this way, Genghis Khan built the foundations of an empire which would, under his successors, ultimately control one-fifth of the globe.To learn more about Genghis Khan:
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The biomedical model focuses on ___________; the biopsychosocial model focuses on _____________
The biomedical model focuses on Microlevel influence on health (chemical imbalances); the bio-psychosocial model focuses on micro and macrolevel effects and their interactions with one another in impacting health and illness.
The biomedical model is centred on the treatment and eradication of symptoms. According to this model, diseases were understood to have physiological etiologies that were detected through specific biochemical markers and were to have ministered through physical interventions.
A person's perspective of their symptoms and how they and their families react to them are the main topics of the bio-psychosocial model, in contrast. The biological, psychological, and social aspects of life all have a role in defining one's health, according to the bio-psychosocial model.
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after it is released a mature egg travels by the means of
Answer:
Muscle Contractions
*EDUCATIONAL PURPOSES*
Ovulation Process:
The pituitary gland, located in your brain, releases a hormone once every month. This hormone instructs the ovaries to create many follicles, which are fluid-filled cysts. The hormone oestrogen is secreted by the growing follicles. In order to prepare for pregnancy, oestrogen causes the uterine membrane to thicken.
The follicles cease developing on day seven of your cycle, with the exception of one. This follicle keeps expanding and nourishes an oocyte (egg) that is developing within.
On day 12, a surge of oestrogen is released into the bloodstream by the developing follicle. Your blood carries the oestrogen along. The pituitary gland in your brain releases luteinizing hormone in response to the oestrogen reaching it. This hormone causes a quick growth spike in the follicle.
The egg within the follicle separates from the follicle just before ovulation. The neighboring fallopian tube begins to migrate toward and around the follicle as the follicle begins to produce chemicals.
The egg and fluid are ejected into the abdominal cavity when the follicle expands to the point of breaking open.
Fimbriae, or tiny finger-like projections at the termination of the fallopian tube, move over the ruptured follicle and seize the egg.
The egg is moved to the fallopian tube's opening. Muscle contractions push the egg gently towards the direction of the uterus once it has entered the fallopian tube's walls.
Either sperm will contact the egg as it travels down the fallopian tube, resulting in fertilization, or the egg will arrive in the uterus unfertilized and be reabsorbed into the body.
Conception Process:
A woman must fertilize her egg within the 12 to 24 hours following ovulation if she wants to get pregnant.
The surge of oestrogen right before ovulation also creates the protein-rich transparent jelly that covers the vagina during intercourse within the neck of the uterus (the cervix). Thus, the vagina became acidic (which prevents thrush and other infections). Sperm can survive in this environment as well. Rapidly moving sperm swim up and into the cervix, where they can live for up to five days in the mucus until an egg is produced.
The fallopian tube might grab the egg because it is wrapped in sticky cells when it is released after ovulation. The sperm begin to break down the adhesive cells when they encounter the egg in the fallopian tube. While only one sperm is required to create a baby, numerous are required to cling to the egg's membrane and outer shell before one may penetrate and fertilize it.
After fertilization, substances are produced to prevent the entry of more sperm before the egg and sperm swiftly combine and split to form an embryo.
The fertilized egg continues to divide and move toward the uterus throughout the course of the following four to five days.
The burst follicle (now known as the corpus luteum), which releases the hormone progesterone into your bloodstream, primes the uterus for the egg to implant.
The pregnancy is sending an increasingly potent signal to the ovary to prolong and boost the production of progesterone, which the pregnancy needs to live, while it develops and installs itself into the mother's uterine lining and blood vessels.
Thank you,
Eddie
Living in a tropical environment where one learns to orient oneself through a vertical landscape of tall trees and speckled light is part of:_______.
Living in a tropical environment where one learns to orient oneself through a vertical landscape of tall trees and speckled light is part of spatial orientation.
What is the rain forest zone?The tropical rain forest zone is the zone that is known to have a very high amount of rainfall for most of the year. The rain forest zone often has a lot of luxuriant trees that blossom all year round and serve as a breeding ground for many insects such as mosquitoes.
Most of the trees in the tropical rain forest zone are arranged in strata where the tallest trees often form a sort of canopy in the area thereby reducing the light that gets to the pants that are found below and keeping the area cool.
Hence, living in a tropical environment where one learns to orient oneself through a vertical landscape of tall trees and speckled light is part of spatial orientation.
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If a 0. 2-ml blood sample with a paco2 of 40 mm hg diffuses across a membrane into the e2 electrode containing 0. 3 ml of solution, the final paco2 in the blood sample will be::________
If a 0. 2-ml blood sample with a paco2 of 40 mm hg diffuses across a membrane into the e2 electrode containing 0. 3 ml of solution, the final paco2 in the blood sample will be less than 16 mm Hg.
What is paco2?
The partial pressure of carbon dioxide is specifically evaluates the carbon dioxide level in blood.
It is a determined by using a popular test called arterial blood gases (ABG) test.
It also also evaluates the partial pressure of oxygen (PaO2), bicarbonate (HCO3), and pH level of blood.
This test is performed on patients of lung diseases, neuromuscular diseases and also useful for getting a clear picture of the body's metabolic and respiratory conditions.
Hence the answer is less than 16 mm Hg.
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Proteins may be classified according to their three-dimensional shapes. Determine whether the following examples and descriptions refer to fibrous proteins, globular proteins, or both fibrous and globular proteins. True or false?.
Often function as enzymes or transport proteins → globular proteins
peptide chains arranged in long strands, or fibers → fibrous proteins
peptide chains highly folded into spherical shapes → globular proteins
keratins → fibrous proteins
hemoglobin → globular proteins
water-soluble → globular proteins
collagens → fibrous proteins
insoluble in water → fibrous proteins
What is Fibrous protein ?Polypeptide chains in fibrous proteins are arranged almost parallel along a single axis, resulting in long fibres or broad sheets. These proteins frequently exhibit mechanical strength and resistance to water solubilization. In nature, fibrous proteins frequently perform a structural role.
What is Globular proteins ?Soluble in water solutions, globular proteins are often. The wide range of activities carried out by globular proteins, including binding, catalysis, regulation, transport, immunity, and cellular signalling, is reflected in the diversity of protein shapes.
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What is a refractive error involving an abnormally shaped cornea and irregularly focused light rays called?
A cornea with an irregular shape causes astigmatism, which causes blurry vision. The cornea is less spherical and more shaped like a football or an egg in patients with astigmatism.
When light enters an astigmatic eye, it is bent and refracted to several focus sites inside the eye as opposed to only one focus point on the retina. The two different types of astigmatism.
Regular astigmatism, in which the eyeball is not spherical but is symmetrical.Irregular astigmatism, in which the eyeball is not spherical and not symmetrical.Astigmatism that is regular as opposed to irregular is far more prevalent.
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A scientific claim answers a question or offers a solution to a problem. Reflect on the Encounter the Phenomenon question and brainstorm potential answers. Use your observations from the Inquiry Activity to formulate your claim about the phenomenon
A scientific claim is developed by answering questions raised through suitable hypotheses that allow making predictions, which can be tested by experimental procedures.
What is a scientific claim?A scientific claim is a body of knowledge obtained by answering the equation formulated through the observation of the real world.
These observations are capable of raising plausible explanations or hypotheses that can be tested (confirmed or rejected) by using the scientific method.
An inquiry activity may be, for example, the observation of the movement of a cylinder in aqueous solution.
In conclusion, a scientific claim is developed by answering questions raised through suitable hypotheses that allow making predictions, which can be tested by experimental procedures.
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Unconsolidated, granular materials such as gravel and sand will support maximum slope angles of about 33 to 35 degrees. what is the name for this maximum slope angle?
Unconsolidated, granular materials such as gravel and sand will support maximum slope angles of about 33 to 35 degrees hence, angle of repose is the name for this maximum slope angle
The angle of repose is the angle formed by the plane of contact between two bodies when the upper body is just on the verge of sliding: the angle whose tangent is the coefficient of friction between the two bodies.
tan-1(2h/d) - where h is the height of the powder pile and d is its diameter Multiply the height by 2 and divide the result by the diameter using a scientific calculator. Then, press the inverse tan key, or tan-1, to get the result you just calculated. This will provide you with the angle of repose. The angle of repose is critical in the design of particulate material processing, storage, and conveying systems. The angle of repose is low when the grains are smooth and spherical.
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Maintain population numbers close to the habitat carrying capacity are called _______ species
Animal species that exhibit long gestation periods, give birth to relatively large offspring, and maintain population numbers close to the habitat carrying capacity are called K-selected species.
In nature, a given habitat contains sufficient resources such as food, water, etc. to support a maximum possible number of biological species, beyond which no further growth is possible. It is termed as nature's carrying capacity for that species in the habitat.
MacArthur and Wilson proposed that there are two life-history strategies i.e. K-selected and r-selected. K-selected species exhibit a proportionately stable population that gives rise to a low number of offspring which tend to be very large. For example the African elephant is included among K-selected species.
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What is bone made of? List and give the percentages of the cellular and extracellular components of bone.
Does the ability of chiromantis frogs to resist water loss most likely represent acclimatization or adaptation?
The ability of chiromantis frogs to resist water loss most likely represent Adaptation.
Most frogs sweat at the same rate that water evaporates from a surface of free water. Despite this, there is a remarkable variety of terrestrial settings where frogs can be found, including deserts. Most frogs have not evolved a resistance to cutaneous water loss due to the significance of moist skin for respiration is adaptation.
The rate of water loss in arboreal species, such as the genus Chiromantis, is extremely low and comparable to that of desert reptiles. The "water-proof" frogs are a phrase used to describe this species. It even consists of specialized guanine-rich chromatophores.
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Specialized ganglionic sympathetic neurons that release hormones into the bloodstream are found within the collateral ganglia. adrenal glands. intramural ganglia. brainstem. chain ganglia
Specialized ganglionic sympathetic neurons that release hormones into the bloodstream are found within the adrenal glands.
What is adrenal gland?A little gland that produces noradrenaline, adrenaline, and steroid hormones. These hormones assist in maintaining healthy blood pressure, heart rate, and other vital bodily functions.Immune system, blood pressure, stress response, metabolism, and other critical processes are all controlled by hormones that are produced by adrenal glands. The cortex and the medulla, the two components that make up an adrenal gland, are each in charge of manufacturing a separate hormone.Problems with one, both, or other glands, such as the pituitary gland, can result in diseases of the adrenal glands. When the adrenal glands create either an excessive amount of hormones or an excessive amount of hormones from external sources, several diseases may arise.Since the adrenal glands are essential for human survival, if both are destroyed, the patient will need to take drugs and hormone supplements.
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Why do some species employ both mitosis and meiosis, whereas other species use only mitosis? see concept 13.2 (page)
Some species employ both mitosis and meiosis, whereas other species use only mitosis because they need both if they are producing animal gametes.
Sex cells divides through meiosis and non sex cell divide through mitosis in animals while in plants sex cell divide through both mitosis and meiosis.
In human and all other animals species , the non sex cells such as skin cell, muscles cells , blood cells etc. divided by mitosis. It is so because these cells deplete at a fast rate and hence their retrieval also needs to be fast. Sex cells like male and female gametes are haploid cells an hence their divide through meiosis. In plants gamete formation requires both mitosis and meiosis cell division.
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Answer:
Explanation:
They need both if they are producing plant (or animal) gametes.
How is information from a signal molecule present outside the cell elicits intracellular response? Explain with suitable example. What features are exhibited by signal transduction?
The information from a signal molecule present outside the cell elicits intercellular response when the G protein coupled receptors interact with the wide variety of molecules on the outer surface of the cells.
G Proteins are the specialized proteins having the ability to bind GTP and GDP and is of three units called Alpha, Beta and Gamma subunits which together formed G proteins.
When G protein is activated it will bind GTP and each receptor binds in lock and key method and binding result into conformational change which will trigger a complex chain of events influencing different cell function.
Features exhibited by Signal Transduction System are:
1. Specificity- Signal molecules fits binding site on its complementary receptor. Other signal do not fit
2. Amplification- When enzymes activates enzymes, the number of affected molecules increases.
3. Desensitization- Receptor activation triggers a feedback circuit that shuts off the receptor or removes it from the cell surface.
4. Integration - When two signals have opposite effects on a metabolic characteristics outcome results from the integrated input from both the receptor.
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The coleman report and other studies have found that ______ is the most powerful factor in determining students' level of school achievement.
The Coleman report and other studies have found that neighborhood and peer environment is the most powerful factor in determining students' level of school achievement.
The Civil Rights Act of 1964 required the publication of the Coleman Report. The law assigned the U.S. Office of Education two years to write a report that would analyze the disparities in educational opportunities for elementary and secondary education across the country.Black and white schools have roughly equal access to regional resources. However, the researchers came to the conclusion from the research that neither the school's infrastructure nor its resources were the most crucial indicators of a child's academic achievement. Instead the Home life and neighborhood played an important role. Six community elements have been identified by study as influencing student achievement: financial situation, environment, educational level, communication with and support provided to schools, availability of community child care, and community cohesion (i.e., quality of education).learn more about Coleman report here: https://brainly.com/question/5778843
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What did researchers discover about the genetic mutation causing lactase persistence?
Researchers discover about the genetic mutation causing lactase persistence is that they are located next to the lactase gene in a non-coding regulatory region (a "switch").
The lactase enzyme's continuous activity as an adult is known as lactase persistence.
The LCT gene provides instructions for making an enzyme called lactase. This enzyme helps to digest lactose, a sugar found in milk and other dairy products.
Since lactase's sole purpose is to digest lactose in milk, most mammal species see a significant decline in the enzyme's activity after weaning.
The genetic selection of those who can digest lactose results in the lactase persistence trait, which is more prevalent in populations that keep cattle and raise dairy products.
Hence, researchers discover about the genetic mutation causing lactase persistence is that they are located next to the lactase gene in a non-coding regulatory region (a "switch").
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The most commonly used microscope, which uses visible light to view cells, is called a?
The most commonly used microscope, which uses visible light to view cells, is called a Light microscope.
Basically, a Light microscope contains two subsystems: an illumination system for illuminating the sample as well as an imaging system which produces a magnified image of the sample after its interaction with light. The image thus formed can be viewed by the eye or through a camera.
Light from a source is focused onto the sample or object using a mirror and condenser lens. The light after passing through the sample is collected by an objective lens, forming an intermediate image which is finally imaged by the eyepiece lens and transmitted to the eye in the form of a magnified image of the sample.
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Growth is accompanied by two factors...
a) by increase in ___ b) increase in ___
The correct answers are sex hormones and thyroid hormones.
HormonesIn multicellular animals, a hormone is any member of a class of signaling molecules that is carried by complex biological mechanisms to distant organs to control physiology and behavior. The proper development of fungi, plants, and animals depends on hormones. The broad definition of a hormone (a signaling molecule that functions beyond from its point of production) allows for the classification of a wide range of molecular classes as hormones. Eicosanoids (such as prostaglandins and thromboxanes), steroids (such as oestrogen and brassinosteroid), amino acid derivatives (such as epinephrine and auxin), protein/peptides (such as insulin and CLE peptides), and gases are among the substances that can be termed hormones (e.g. ethylene and nitric oxide).
Growth is accompanied by two factors...
a) by increase in ___ b) increase in ___
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What should you do if every dilution of your sample results in a plate that is too few to count (tftc)?
When every dilution of your sample results in a plate that is too few to count we should filter the original sample and use most probable number method .
Probable number method count and determine the number of bacteria in a culture, plate aliquots of the dilutions onto agar with sterile pipettes, spread with glass sticks, incubate at 37°C and count the number of colonies. It is imperative that you utilize your best culture technique.
Not all bacterial cells produce colonies, as some bacteria tend to clump or aggregate, and some are nonviable. For this reason results are reported as colony forming units (CFU)/ml of bacterial culture. Ideally only plates with 25-250 colonies are used.
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