The "nucleoid" of a prokaryotic cell is the region that contains the DNA, some RNA, and a few proteins.
What is prokaryotic cell?Prokaryotes are creatures without a nucleus or other organelles in their cells. Bacteria and archaea, two separate groupings of prokaryotes with allegedly independent evolutionary histories, are separated into.
The majority of prokaryotes are tiny, single-celled creatures with a straightforward structure.
Some key features of prokaryotic cell are-
Prokaryotic cells lack intrinsic membrane-bound organelles in their cytoplasm, while being enveloped by a plasma membrane. Prokaryotes differ from eukaryotes, another type of creatures, in that they lack a nucleus as well as other membrane-bound organelles.One circular DNA molecule, or chromosome, makes up the majority of the genetic material carried by prokaryotes. Prokaryotes have a nucleoid in the center of the cell that houses the DNA but is not protected by the nuclear membrane.To know more about prokaryotic cells, here
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An important difference between the peritubular capillaries and the vasa recta in the kidney is that?
Vasa recta are a unique kind of peritubular capillary that feeds the kidney's medulla with oxygen and nutrients, whereas peritubular capillaries are capillaries that emerge from the efferent arteriole. This is the main distinction between the two types of capillaries.
Vasa Recta: What are they?
The unique peritubular capillaries known as vasa recta supply oxygen and nutrients to the kidney's medulla. They especially come from juxtamedullary nephrons' efferent arterioles and wind around those organelles' Henle loops. They also create a parallel series of hairpin loops inside the kidney's medulla. Vasa recta have high water and solute permeability.Peritubular Capillaries: What Are They?
The efferent arteriole that emerges from the glomerulus gives rise to the capillary network known as peritubular capillaries. The renal cortex receives nutrients and oxygen via peritubular capillaries. As a result, the renal cortex contains a greater percentage of peritubular capillaries. They encircle the distal and proximal tubules.Learn more about peritubular capillary here:
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Why is it important that scientists haven't identified a lokiarchaeote cell yet
Well, scientists are working hard to find out more about cells, so they should know all of the cells. The Lokiarchaeote cell is one of the only ones they have yet to find out stuff about. Scientists also need to know about it, because it is a part of our bodies, and maybe sometimes they can cause infection in the body. Scientists need to know if it could lead to some of the biggest infections ever.
_________ can take many different forms ranging from human organs to computer software.
Components can take many different forms ranging from human organs to computer software such as - CPU, Memory and IO.There are invincible indestructible and codependent connection between humans and computers.
CPU is like brain of the body which controls the computer , Memory which gain and store every commend like a human memory store Relationship is based on the difference and similarities between human and computers and the ways in which what one of them lacks be fulfilled by what the other one has.
Computer and humans inhabit same world in which they Seems to be existing in symbiosis, which means both are depend on each others.Collaborative computerized robots that are part machines part humans.
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How does the rock cycle illustrate the conservation of matter
Answer:
he chemical elements that make up minerals and rocks are not destroyed. This fact illustrates the principle of conservation of matter. The changes that take place in the rock cycle never destroy or create matter. The elements are just redistributed in other forms
Explanation:
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Areas along the costal regions of continents have more moderate climates than their inland counterparts. What property of water allows this to be possible?
Areas along costal regions of continents have more moderate climates than their inland counterparts because Water has a high specific heat.
Water has a higher heat capacity than soil and rock, so the ocean takes much longer to heat and to cool than the land. Coastal areas will generally have more moderate temperatures than inland areas because of the heat capacity of the ocean.
Large bodies of water such as oceans, seas, and large lakes affect the climate of an area. Water heats and cools more slowly than land. Therefore, in the summer, the coastal regions will stay cooler and in winter warmer. A more moderate climate with a smaller temperature range is created.
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Albert kelner discovered that sunlight can repair uv damage. this seems counterintuitive but was later explained by the fact that:________.
Albert Kelner discovered that sunlight can repair UV damage. This seems counterintuitive but was later explained by the fact that sunlight activates nucleotide excision repair.
Through a procedure known as nucleotide excision repair, the genetic damages caused by UV radiation are frequently repaired shortly after they are created. The lesion is recognized and excised from a section of DNA by a nuclease enzyme.
Mammals primarily use nucleotide excision repair (NER) to eliminate large DNA lesions from DNA, such as those caused by UV light, environmental mutagens, and some cancer chemotherapy adducts. The very skin cancer-prone hereditary condition xeroderma pigmentosum is linked to NER deficiency.
A DNA repair mechanism known as nucleotide excision repair is crucial for repairing DNA damages brought on by UV light.
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in a population of sexually reproducing bacteria how can we select for the resistant ones by only taking antibiotics for 2 days instead of the full 10 days that the drugs were prescribed
We can select the resistant microbes that were survived on the second day of antibiotic application.
How can we select for the resistant ones?We can select for the resistant ones by only taking antibiotics for 2 days instead of the full 10 days that the drugs were prescribed in order to see the microorganism that survived on the second day. Bacteria get resistance when they are exposed to similar type of chemicals for a long time. Some of bacteria mutate and make defenses against the chemical which leads to survival of that organism.
So we can conclude that We can select the resistant microbes that were survived on the second day of antibiotic application.
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What effect will a large increase in blood volume have on blood pressure, in a blood vessel with a high compliance as compared to one with low compliance?
What effect will a large increase in blood volume have on blood pressure, in a blood vessel with a high compliance as compared to one with low compliance?
Blood pressure will rise more in blood vessels with lesser compliance as a result.
What is blood pressure?Blood pressure (BP) is the force exerted by moving blood against blood vessel walls. The heart's action of pumping blood through the circulatory system is mostly responsible for this pressure. The pressure in the major arteries is meant when the word "blood pressure" is used without qualifier. Systolic pressure, or the highest pressure during one heartbeat, is typically stated as the ratio of diastolic pressure, or the lowest pressure between two heartbeats, in blood pressure measurements. It is expressed as a millimeter of mercury (mmHg) above the air pressure in the immediate vicinity.
Along with respiratory rate, heart rate, oxygen saturation, and body temperature, blood pressure is one of the vital signs that medical practitioners consider when assessing a patient's health. An adult's normal resting blood pressure is about 120 millimeters of mercury.
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Obe seems to be especially involved in the comprehension of spoken language in humans?
Temporal lobe seems to be especially involved in the comprehension of spoken language in humans.
What is temporal lobe?The second-largest lobe is the temporal lobe, which is located behind the ears. They are frequently linked to memory encoding and the processing of auditory information.The key jobs of the temporal lobes are language comprehension, memory formation, object and face recognition, perception, and auditory information processing.Each cerebral hemisphere's largest lobe, located in front of the occipital lobe, houses a sensory region linked to the auditory system.Different sounds must be interpreted and given meaning by the temporal lobe. As a result, left temporal lobe loss frequently results in receptive aphasia or Wernicke's aphasia, which are issues interpreting language.This crucial component aids in the processing of sensory information, including as pain and auditory inputs. Additionally, it aids with language comprehension, memory retention for images, and the processing and memory of emotions.Learn more about temporal lobe here:
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Disclaimer: The given question in the portal is incomplete. Here, the complete question.
Question: Which lobe seems to be especially involved in the comprehension of spoken language in humans?
what was Mendels Pea experiment? summary for notes
Every time the instructor says, "to summarize today’s lesson…" her students start packing up their notebooks. the students have learned this phrase as a ______stimulus.
Every time the instructor says, "to summarize today’s lesson…" her students start packing up their notebooks. the students have learned this phrase as a discriminating stimulus.
A discriminative stimulus is the antecedent stimulus that has stimulus control over behavior because the behavior was reliably reinforced in the presence of that stimulus in the past. Stimuli and comeback are Rational by different terminology. The three stages of classical conditioning are before acquisition, acquisition, and after acquisition. Classical conditioning involves associating an involuntary response and a stimulus, while operant conditioning is about associating a voluntary behavior and a consequence.
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What would increase the amount of oxygen unloaded by hemoglobin into peripheral tissues?
Decreased pH would increase the amount of oxygen unloaded by hemoglobin into peripheral tissues.
What is hemoglobin?The iron-containing oxygen-transporting metalloprotein known as hemoglobin.The abbreviations Hb or Hgb, is found in the red blood cells of almost all vertebrates as well as some invertebrate organs. The oxygen from the respiratory organs is transported to the rest of the body by hemoglobin in the blood.Iron deficiency anemia is characterized by low hemoglobin that is brought on by low iron levels. Low hemoglobin is most frequently caused by a diet that is inadequate in iron. Low hemoglobin levels can cause headaches, exhaustion, and pale complexion. Surgery, iron therapy, and iron supplementation are all options for treating low hemoglobin.Red blood cells include the protein hemoglobin, which transports oxygen to your body's organs and tissues and carbon dioxide from those tissues back to your lungs. A low red blood cell count if a hemoglobin test finds that your hemoglobin level is lower than normal (anemia).Learn more about hemoglobin here:
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Why do humans have a strong impact on the fast carbon cycle?
Burning fossil fuels or cement has relatively little of an influence on humans in terms of producing carbon dioxide. The general people has been duped into believing we are a major factor in the greenhouse effect.
The biggest misconception regarding the movement for people to emit no net amount of CO2 is that natural supplies of this plant nourishment dwarf our emissions. This indicates that even if all people disappeared overnight, atmospheric CO2 levels would not significantly drop.
The statistics on the steady increase in CO2 throughout the heaviest periods of the global lockdown, which significantly restricted any human-sourced emissions, will give you a decent idea of this.
As for the so-called greenhouse gases, CO2 naturally occurs in water vapor, which makes up more than three times as much of the GHG as CO2. This indicates that the human component of the GHG is 0.6 percent.
When you take into account how little human emissions are in the grand scheme of things, you have to stop and wonder if any efforts you make to lower your emissions are in vain.
Thank you,
Eddie
The origin of the frontalis muscle is the:________
a. frontal bone.
b. mandible.
c. occipital bone.
d. forehead.
e. epicranial aponeurosis.
The origin of the frontal bone is muscle is the forehead. Thus, the option D is the correct option.
What is hyoid bone?The hyoid bone has been considered as the part of the hyo-gloso-pharyngeal complex at the base of the lower jaw and at the level of the third and the fourth cervical vertebrae. The thirteen muscles has been inserted into it, the ones above are the suprahyoids that are responsible for lowering the jaw. The hyoid bone has been involved in the phonation, as well as chewing and swallowing.
Parietal bones has been paired the structure that form the roof and the side of the cranium.The parietal bones has been articulated with each other and they form suture. It articulates occipital bone posteriorly,and anteriorly with the frontal bone which form a suture called as coronal suture.
Inferiorly the parietal bone has been articulated with the sphenoid and temporal bone. Zygomatic bone has irregular shaped and the paired structure that the articulates with maxilla as well as temporal bone, sphenoid bone,and the frontal bone.
Therefore, The origin of the frontal bone is muscle is the forehead. Thus, the option D is the correct option.
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Why must the electron transport chain proteins and molecules be embedded in a membrane?
Answer:
because that way protons can be compartmentalized and form a gradient.
_________is the most important monosaccharide in the body and is the primary source of energy for all the body's tissues.
A scientist investigated whether giving plants different quantities of magnesium affected their growth. He
measured growth by counting the number of new leaves produced. Write down a hypothesis he could test in his
investigation
The hypothesis that the scientist could test in his investigation is as follows: IF plants are given more than 2.0mg of magnesium, THEN their growth will be negatively affected.
What is an hypothesis?Hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation.
An hypothesis is commonly referred to as an educated guess because it tends to provide a temporary explanation for a phenomenon.
According to this question, a scientist investigated whether giving plants different quantities of magnesium affected their growth. He measured growth by counting the number of new leaves produced.
The hypothesis of the scientist regarding the above experiment could be as follows: IF plants are given more than 2.0mg of magnesium, THEN their growth will be negatively affected.
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Within the abdomen, organs that are completely surrounded by the visceral peritoneum are called ______ organs.
______ energy is a form of potential energy stored within the covalent bonds of molecules.
Answer:
chemical
Explanation:
Many plants have lipids in large amounts in their seeds. what is the function of the lipids to these plants
0il bodies are lipid (mainly triacylglycerols) storage compartments that occur primarily in seeds and senescing leaves. Seed oil bodies develop from the endoplasmic reticulum in embryo cells during seed maturation and are degraded during seed germination and subsequent seedling growth.
What are Triacylglycerols and it's function?
Triacylglycerols are the major oils used for energy and metabolic substrates during seedling growth. Oil bodies also function as subcellular factories that produce antifungal compounds in senescing leaves and perilesional leaf areas infected with fungi.The majority of plant lipids act as energy stores (e.g., triacylglycerols in seeds) or as plant membrane components (e.g., galactosyl glycerides in chloroplast membranes and phosphoglycerates in non-chloroplast membranes). Furthermore, surface lipids such as waxes and cutin provide an impervious barrier on the plant surface to reduce water loss and to provide protection against plant pathogens and toxins. Lipids are found in relatively small amounts in temperate grasses and generally decrease as the plant matures.To learn more about lipids: https://brainly.com/question/3498396
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The first step in dna isolation is called ________. it refers to the process of releasing dna from the cells.
The first step in dna isolation is called Homogenization.
In research, it is routine practise to isolate and purify DNA. The material must be homogenised in order to isolate DNA. The homogenization of glass beads or tissue with a mortar and pestle is a common method for doing this.
The first of these procedures entails pulverising the DNA with a mortar and pestle after adding liquid nitrogen. In order to break up the tissue, add the samples to tubes containing glass beads and quickly shake or vibrate the tube. Both approaches run the risk of severing the nucleic acid, especially the biggest fragments.
Therefore, The first step in dna isolation is called Homogenization
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Two parents who are affected by a genetic disorder produce a normal child. This is an example of an/an _______.
autosomal dominant trait
autosomal recessive trait
X-linked recessive trait
Y-linked trait
Two parents who are affected by a genetic disorder produce a normal child is an example of an autosomal dominant trait.
What is an autosomal dominant trait?An autosomal dominant trait is any condition that is expressed only by the presence of the dominant allele and therefore this trait can be expressed in heterozygous individuals.
The heterozygous individuals can have a normal child if he/she is homozygous recessive for the genetic condition.
In conclusion, two parents who are affected by a genetic disorder produce a normal child is an example of an autosomal dominant trait.
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How many times a day is the third phosphate added and removed from a single atp in your body?
There will be 100 to 150 mol/L ATP are required in a day , that means each ATP molecules is recycled 1000 to 1500 times per day. When the third phosphate is cut and loose , ATP become ADP and stored energy is released.
There are three phosphate group are added to one another by two high energy bonds called phosphoanhydride bonds. 1 phosphate group is removed by breaking a phosphoanhydride bond , this process is known as the hydrolysis.
Energy released by the process of hydrolysis of third phosphate then the resulting ADP absorb energy and regain the group, regenerating an ATP molecules which allows ATP to store energy like a rechargeable battery.
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Which diagnostic test is used for the direct visualization of ligaments, menisci, and articular surfaces of joints?
Arthroscopy is done for direct visualization of the ligaments, menisci, and articular surfaces of the joints. Thus, option A is correct.
What is the role of ligament?Ligaments are type of connective tissue which help to connect bones, joints and organs. It provide support internal parts of the body.
It is made of a band of connective tissue, collagenous fibre and spindle-shaped fibrocytes which is an elastic fibers.
Ligaments holds bones together, stabilize it, provide strength to joints etc.
By the use of Arthroscopy doctors can diagnose and treat the joint’s structural problems like any dysfunction. Hence, Option A is correct.
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Your question was incomplete. So the probable question was
Which diagnostic test is used for the direct visualization of ligaments, menisci, and articular surfaces of joints?
A. Arthroscopy
B. Muscle biopsy
C. Ultrasonography
D. Electromyography
About how many cells are in the human body? this sounds like a complex question, but you can make a pretty good estimate with a little bit of background knowledge and what you have learned thus far!
There are approximately 30 trillion cells present in the human body.
How many different kinds of cells are there in an adult human body?Humans are intricate, multicellular entities. Our bodies contain "specialized" cells. This implies that every cell type has a distinct and important role. Because of this, each of the body's 200 different types of cells has a unique structure, size, shape, and function, as well as a variety of organelles.
Human cells are not the only ones in our bodies, of course. According to recent studies, the average human contains about 38 trillion bacteria. With this, the overall number of cells now exceeds 68 trillion (human or not).
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In which type of nondisjunction could the two copies of a chromosome in a gamete be heterozygous?.
Gametes with two heterozygous copies of a chromosome may result from nondisjunction in either meiotic division.
What three types of nondisjunction are there?Nondisjunction can take one of three different forms: failing to separate a homologous pair of chromosomes during meiosis I; failing to separate sister chromatids during meiosis II; or failing to separate sister chromatids during mitosis.
How can you tell whether nondisjunction takes place in meiosis 1 or 2?Nondisjunction, which can lead to an aberrant amount of chromosome-bearing gametes, can happen during meiosis I and meiosis II. The primary distinction between nondisjunction in meiosis 1 and 2 is that whereas sister chromatids fail to separate in meiosis II, homologous chromosomes fail to separate during meiosis 1.What are mitotic and meiotic divisions?Mitosis and meiosis are the two distinct processes of cell division.When people talk about "cell division," they typically mean mitosis, which is the process of creating new cells for the body. The cell division process known as meiosis is what produces egg and sperm cells. A vital process for life is mitosis.learn more about Nondisjunction during meiosis here
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Section 2: HUMAN IMPACT
In this section of your project, describe how human behaviors impact the environment. Choose your top 3 environmental impacts to describe in this section include how they affect the environment (examples: decreased water quality, increased pollution, greenhouse emissions, depletion of natural resources).
Human behaviors greatly impact the environment by overpopulation, pollution, burning fossil fuels, and deforestation.
How human behaviors impact the environment?Humans impact the environment in many ways such as overpopulation, pollution, burning of fossil fuels, and deforestation. These changes triggered the climate change, soil erosion, poor air quality, and undrinkable water. So that's why we can say that human intervention in the environment is not good for our environment.
So we can conclude that human behaviors greatly impact the environment by overpopulation, pollution, burning fossil fuels, and deforestation.
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Multiple arteries joined in order to serve a single capillary network are called:______.
Answer:
they are called collaterals
Determine if there is a statistically significant difference between the absorption data of black walnut trees and maple trees.
Based on the data, it can be concluded there is a statistically significant difference between the absorption data of black walnut trees and maple trees.
What does statistically significant difference means?This term is used when there is an important difference between the data gathered of two or more groups.
Is there a statistically significant difference in this case?Based on the date, there is a statistically significant difference between black walnut trees and maple trees because the average carbondioxide absorption is different.
Black Walnut average : 7.26 Maple tree average: 5.82.This shows the difference between these two type of trees is almost 2, which is a big difference that is likely caused by the unique characteristics of each tree.
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Where are the hormones oxytocin and antidiuretic hormone (adh) stored?
The axon terminals of neurons of the hypothalamic-hypophyseal tracts store and secrete ADH and oxytocin in the capillaries of the inferior hypophyseal artery.
Hypophyseal artery:
The infundibulum of the pituitary gland, the pars tuberalis, and the median eminence are all supplied by the superior hypophyseal artery. It is a branch of the internal carotid artery's cerebral portion. In order to supply the hypothalamus, the superior hypophyseal arteries split off from the internal carotid arteries, forming a capillary network in the median eminence that is not protected by the blood-brain barrier. The infundibular plexuses and the stalk, respectively, are the sources of the long and short hypophyseal portal veins.
The C6 section of the internal carotid artery gives rise to the superior hypophyseal artery (or arteries). Within 5 mm of the ocular artery's origin, it often arises as a single trunk from the internal carotid artery's medial or posteromedial side.
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