They are competitive inhibition, non-competitive inhibition, uncompetitive inhibition, and mixed inhibition are the 4 types of enzyme inhibition.
competitive inhibition: The enzyme's active site is occupied by a molecule other than the substrate, which results in competitive inhibition. The substrate and the inhibitor (molecule) are structurally and chemically related (hence able to bind to the active site). The competitive inhibitor blocks the active site to prevent substrate binding.In non-competitive inhibition, a substance binds to a site different from the active site (an allosteric site). The enzyme's active site changes structurally when the inhibitor binds to the allosteric site. This modification alters the affinity between the active site and substrate, prohibiting substrate binding. In non-competitive inhibition, the inhibitor only binds to the substrate-enzyme complex.Uncompetitive inhibition is frequent in reactions involving two or more substrates or products.Mixed inhibition: When an inhibitor binds both the enzyme by itself and the enzyme-substrate complex, mixed inhibition occurs. According to this scenario, the inhibitor may bind the enzyme by itself 60% of the time and the enzyme-substrate complex 40% of the time.learn more about enzyme inhibition here: https://brainly.com/question/14944549
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The arm bones of a whale, bat, bird, and human are all examples of _______________ structures.
Homologous structures
The limbs of humans, cats, whales, and bats are examples of homologous structures. All of these structures—arm, leg, flipper, and wing—are supported by the same type of bone structure. Divergent evolution leads to homologies.
What are Homologous structures ?Homologous structures are those that share a fundamental structure but serve distinct purposes.
Divergent evolution is an evolutionary trend in which species with similar ancestry gradually diverge over the course of an evolutionary time period as a result of differential selection pressure.Predation, food supplies, and competition for mates are a few examples of these stressors.Learn more about Homologous structures here:
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In examining an unknown animal species during its embryonic development, how can you be sure what you are looking at exhibits protostome or deuterostome development?
In examining an unknown animal species during its embryonic development, from the first development of mouth or anus, one can determine its protostome or deuterostome.
The oral end of the majority of coelomate invertebrates emerges from the blastopore, the first developmental opening, and is referred to as a protostome (Latin for "first mouth").
The oral end of the animal originates from the second aperture on the dorsal surface of the animal in the deuterostomes ("second mouth"), which include Echinodermata and the ancestors of the Chordata; the blastopore becomes the anus. The deuterostomes also exhibit indeterminate development, meaning that even if the eight cells of the embryo are split, each one would still be able to develop into a complete organism.
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Landfills are advantageous for waste
disposal for many reasons. Which of the
following is an advantage of landfills?
A. They have cheaper disposal fees.
B. They are very expensive.
C. They are high maintenance.
D. They produce little to no smell.
Answer:
The correct option is A.
They have cheaper disposal fees.
Water has a characteristically ___________ specific heat, making it an important vector (or mechanism) for redistributing heat around the globe
Water has a characteristically high specific heat, making it an important vector (or mechanism) for redistributing heat around the globe.
Specific heat can be defined as the quantity of heat required to raise the temperature of one gram of a substance by one degree Celsius. The units of specific heat are usually calories or joules per gram per degree Celsius.
The specific heat of water is 1 calorie (or 4.186 joules) per gram per degree Celsius. The incoming radiation from the sun is responsible for warming up the Earth. Water in particular, has a high heat capacity at 4.18 J/g*C, which indicates that more heat is needed to warm a gram of water. This is the reason that throughout a warm summer day, the water in the ocean does not experience a significant change.
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A silver coin rubs vigorously against a wool cloth. the cloth becomes positively charged. which statements are true?
The silver coin gained electrons.
The wool cloth lost electrons.
How does the transfer of electrons take place?
It is a given that woolen material becomes positively charged when a silver coin is rubbed against it. Since electrons are negatively charged particles, when a piece of clothing becomes positively charged, it has lost electrons.
However, because static electricity is created during rubbing, and if one substance becomes positively charged, the other will become negatively charged, a silver coin will absorb this negatively charged electron from the wool fabric and thus become negatively charged.
As a result, both choices B and C are accurate.
I understand the question you are looking for is this:
A silver coin rubs vigorously against a wool cloth. The cloth becomes positively charged. Which statements are true?
The silver coin lost electrons.The silver coin gained electrons.The wool cloth lost electrons.The wool cloth gained protons.The wool cloth lost protons.Learn more about transfer of charge here:
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How would spraying a yard with chemical pesticides to control insects be most likely to affect the diversity of insects found in it? there would be fewer species of insects and fewer insects in general in the yard. there would be more harmful insects and fewer beneficial insects in the yard. there would be fewer harmful insects and more beneficial insects in the yard. there would be more species of insects, but fewer insects in general in the yard.
There would be fewer species of insects and fewer insects in general in the yard.
What are the effects of pesticides on insects?Lower pesticides doses or concentrations in field crops typically appear after the initial treatment because they decay due to a number of abiotic factors such rainfall, temperature, and sunlight. Insects may be exposed to insecticides in this fashion, at sublethal dosages or concentrations, in the wild, and may suffer effects that are sublethal.
Sublethal effects are those on people or communities that persist after exposure to a toxin at a lethal or sublethal dose or concentration. They might be biological, physiological, demographic, or behavioral.
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A diagnostic test in which the bile ducts are x-rayed after injection or ingestion of a contrast medium is called a(n):__________
The average cardiac output at rest is: ____.
a. 1000 ml/min
b. 2500 ml/min
c. 5000 ml/min
d. 10,000 ml/min
The correct option is (C) 5000 ml/min.
The average cardiac output at rest is 5000 ml/min.
What is cardiac output?The cardiac output is the volume of blood the heart pumps out per minute.
The cardiac output is measured by the product of Heart rate (HR) and stroke volume (SV).
It is measured in liters /min.
The number of times the heart beats per min is termed heart rate.
The volume of blood pumped out from the left ventricle of the heart at each systolic cardiac contraction is termed heart rate.
The normal cardiac output is 5L/min (72 beats per min, 70ml stroke volume).
This may vary from male to female by only 10% – 20%.
Esophageal doppler, pulse contour analysis, pulmonary artery catheter etc. can be utilized to calculate cardiac output.
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What is the net production of atp molecules per glucose molecule in the muscles if glycogen is the source of the glucose?.
3 mol
The net production of ATP molecules per glucose molecule in the muscles if glycogen is the source of the glucose is 3 mol.
NADH is converted to NAD+ via the conversion of pyruvate to lactate, which is catalyzed by lactate dehydrogenase, in order to maintain the oxidation of glucose and the net yield of 2 ATP per mol of glucose oxidized (or 3 mol of ATP if the source is muscle glycogen).ATP stands for Adenosine triphosphateThe following reaction occurs in the muscles when glycogen is broken down:
(Glucose)n + Pi → Glucose-1-phosphate + (Glucose)n-1
How much ATP is produced when glucose is converted to glycogen?2 ATP is produced when glucose is converted to glycogenFor every glucose molecule to be converted into a molecule of glycogen, two ATP are needed.How is ATP produced from glycogen?Adenosine triphosphate (ATP) molecules are needed for muscle contraction, and they are produced by the oxidation of glucose by the muscle cells during anaerobic and aerobic processes. Muscle glycogen particles are broken down during intense, intermittent exercise and throughout prolonged physical activity.To learn more about glycogen breakdown visit:
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What must happen in order for a chemical signal to change the membrane potential of a neuron?
A Final statement or concluding statement
The ion flux across the membrane must vary.The number of open ion channels must be altered.How does a neuron change its membrane potential?The membrane potential is altered by opening and shutting ion channels.
The resting membrane potential of a neuron is closer to the potassium equilibrium potential than to the sodium equilibrium potential. That's because the resting membrane is much more permeable to K+ to Na+. Changing the number of open ion channels allows you to alter the membrane potential of the cell and generate electrical signals.
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Biomolecules are made from simple monomers, yet you find a very high level of diversity. what chemical features make diversity in each category of biomolecules possible? provide examples in each case
Chemical features like 3-D structure and chemical bonding are responsible for diversity in biomolecules although they are made from simple monomers.
For example, in the case of carbohydrates, both starch and glycogen are made up of glucose monomers but still they differ in function in their body. This difference is because of the chemical bonding and the 3-D structure.
Similarly in protein biomolecules, amino acids act as the monomers but they differ in function due to their 3-D structure. Nucleotides are the building blocks of both RNA and DNA. RNA and DNA perform different functions in the body. DNA stores ad transfers genetic information while RNA is responsible for directly coding for amino acids.
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The electron donor that replenishes the ps ii reaction center is ______ and for the ps i reaction center is _______.
The electron donor that replenishes the ps ii reaction center is H₂O and for the ps i reaction center is cyt.
What is Electron donor?A chemical substance that donates electrons to another component is known as an electron donor. It is a reducing agent that causes its own oxidation as a result of contributing electrons. Covalent or ionic reaction chemistry permanently changes the chemical makeup of typical reducing agents.An electron donor that bonds to an atom other than hydrogen is known as a nucleophile. A base is a hydrogen-bonding electron donor.Ions or compounds that donate electrons function as reducing agents and are known as electron donors.The proton gradient in the intermembrane gap is produced by NADH molecules donating electrons that are then transmitted through a number of different proteins. When the electron reaches the last protein, it forms a link with an oxygen molecule to produce water.
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In a hardy-weinberg population, 16% of individuals display the homozygous recessive phenotype. What proportion of the population will be heterozygous carriers of the recessive allele?.
The proportion of the population will be heterozygous carriers of the recessive allele is 0.48.
What is Hardy-Weinberg principle?
Hardy-Weinberg principle says that the allele frequencies in a population are stable and is constant from generation to generation. The gene pool (total genes and their alleles in a population) remains a constant. This is called genetic equilibrium. Sum total of all the allelic frequencies is 1.Individual frequencies, for example, can be named p, q, etc. In a diploid, p and q represent the frequency of allele A and allele a.The frequency of AA individuals in a population is simply p². This is simply stated in other ways, i.e., the probability that an allele A with a frequency of p appear on both the chromosomes of a diploid individual is simply the product of the probabilities, i.e., p².Similarly. that of aa is q² and of Aa 2pq.Hence, p²+2pq+q²=1, is a binomial expansion of (p+q)².By given data;
[tex]q2=16[/tex]
[tex]q2=\frac{16}{100}=0.16[/tex]
[tex]q=0.4[/tex]
[tex]p=1-0.4=0.6[/tex]
[tex]2pq=2(0.6)(0.4)=0.48\\[/tex]
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What hormones does the body produce to prepare the body for quick physical action?
Adrenaline and noradrenaline hormones the body produce to prepare the body for quick physical action.The primary function of adrenaline also known as epinephrine and noradrenaline, two hormones secreted by the adrenal glands, is to get the body prepared for a "fight or flight" reaction under pressure.
The main effects of adrenaline include speeding up breathing, raising blood pressure, widening the pupil of the eye, lessening pain sensitivity, improving vision, hearing, and other senses, slowing digestion, rerouting blood to the muscles, and changing the body's metabolism to maximise oxygen and nutrients to the body and raise blood glucose levels (primarily for the brain).
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You perform a quadrant streak of e. coli at 11:00 am. How many bacteria are present in one cfu at 9:00 pm?
E.coli Bacteria present in one CFU at 9:00 pm = 1.07 X 109 bacteria and E.coli at 11:00 am = 1 generation time. That means 2.66X 10^ 9 cells per 1 CFU.
The average CFU in probiotics is between 1 and 10 billion CFUs per serving. To find out the number of CFU in the sample then the number of colony forming units on thee countable plate is multiples by 1/FDF. For example when the countable place has 200 colonies then 200 CFU and the FDF was 1/4000.
CFU measures the viable cells.High number of E.coli bacteria in water indicates that contaminated by feces. and it increasing the risk of exposure to pathogens that causes illness.
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Were all ascospores of the same color _____________________ if not, how did the colors become mixed.
No, all ascospores are not of the same color.
It is produces in black spores and has a mutant variety that is tan colored.
The wild type (+), which creates a dark spore, is the one that is most frequently observed in nature.
Which alleles in Sordaria result in the color black in their spores?Melanin formation is the cause of the color black. Several genes contribute to the creation of black color, however the two most prevalent ones are the tan spore gene and the gray spore gene. One gene determines the color of the spores.Why do we split the events of the Sordaria cross over by two? Each crossover results in the production of two spores that are identical to the parents' spores and two additional spores. As only half of the spores in each ascus result from crossing across, you must divide the number of asci counted by two to get the number of crossovers.To learn more about ascospores visit:
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The cell membranes of archaeons that lack a cell wall are strengthened by _________.
The cell membranes of archaeons that lack a cell wall are strengthened by diglycerol tetraethers; option D.
What is cell membrane?Cell membrane refers to the outer covering found in living cells which help to separate the internal contents of the cell such as the cell organelles and cytoplasm from the external environment of the cell.
Cell membranes are composed of lipid bilayers where the lipids consists of a hydrophobic tail found in the interior and a hydrophilic haed found ar the exterior.
Cell membrane in bacteria and archaeons consists of a peptidoglycan cell wall which strengthens and protects the cell.
In archaeons that lack a cell wall, the cell membrane is strengthened by diglycerol tetraethers.
In conclusion, cell membranes are the outer covering of cells.
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The complete question is given below:
The cell membranes of wall-less archaeons are strengthened by
A. diglycerol ethers.
B. glycoprotein or protein layers.
C. pseudomurein.
D. diglycerol tetraethers.
The presence of a recessive gene can be detected (seen) only if the individual is?
The presence of a recessive gene can be detected only if the individual is homozygous (aa) .
What does homozygous mean?Homozygous is a condition in which two identical alleles are present at a particular locus.
A condition in which an individual has inherited the same DNA sequence for particular gene from both their biological father and their biological mother.
An allele is defined as a variant form of a gene or one of two or more than two DNA sequences occurring at a particular gene locus.
Genes are made up of information required to produce different proteins.
Therefore,the presence of a recessive gene can be detected only if the individual is homozygous (aa).
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The clear front surface of the eye that allows light in, which is also a major focusing element of the eye is known as the_______.
The clear front surface of the eye that allows light in, which is also a major focusing element of the eye is known as the Cornea.
What is cornea?When the cornea is touched, an automatic response to close the eyelid occurs because the cornea has unmyelinated nerve endings that are sensitive to touch, temperature, and chemicals. The healthy cornea has no need for or necessity of blood vessels since transparency is of utmost importance. Instead, oxygen diffuses throughout the cornea after dissolving in tears, preserving its health. Similar to how nutrients are carried, aqueous humour and tear fluid both use diffusion to move nutrients from one surface to the other. Additionally, neurotrophies sent by the corneal nerves serve as a source of nutrients. The cornea of an adult human measures 11.5 mm in diameter, with a thickness of 0.5-0.6 mm in the center and 0.6-0.8 mm at the edges. Avascularity, transparency, and the presence of young residents
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Muscle tone and strength usually begin to show signs of decline around the age of _____
Would needed to target a cytosolic protein (fully translated) to the exoplasmic face of the plasma membrane?
The protein that is initially modified by the addition of branching carbohydrate chains in the rough Endoplasmic reticulum. The protein in it final set of carbohydrates chains is then transported to plasma membrane in transport vesicle.
In cytosol that expect for a few protein made in mitochondria and chloroplasts. Protein do not have a signal peptide stay in cytosol for the rest of translation. They can lack other address labels, and stay in the cytosol permanently.
They have the rights labels, they can be sent the mitochondria , chloroplasts, peroxisomes after the translation. Protein that made in the cytosol that stay permanent.
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What is the probability that individual 1 is heterozygous? what is the probability that individual 3 is affected? what is the probability that individual 4 is affected?
The heterozygous probabilities will be 1/2; 1/4; 1/4
We can infer that since this is a rare characteristic, individual 1's mother is heterozygous and her father is homozygous for the wild type allele. The mother passed on an X to Individual 1, giving him or her a 50% chance of inheriting a mutant allele. Individual 3 has a 50% probability of inheriting the affected X chromosome from her mother if 1 is heterozygous, and a 100% chance of inheriting an affected X from her father. Individual 3 has a total probability of being impacted of 1/2, 1/2, and 1. There is a 50% possibility that the mother of person 4 carries an afflicted X and that she will pass it on to her son.The son receives only a Y chromosome from his father. The total probability in this case is 1/2 ×1/2.learn more about heterozygous here: https://brainly.com/question/3676361
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Sperm cells get energy to power their movement from ________, which is contributed by the ________. sperm cells get energy to power their movement from ________, which is contributed by the ________
Answer:
a) fructose
b) seminal vesicles
Which of the following is a function of Producers?
A. All of these
B. Convert sunlight into chemical energy
C. Prevent soil erosion
D. Convert nitrates into usable proteins
The function of producers include all of the above and is therefore denoted as option A.
What is a Producer?This is referred to as an autotrophic organism which are able to produce food for the other organisms in the food chain.
A typical example is plants which produce food through photosynthesis via sunlight and perform other functions such as preventing soil erosion and converting nitrates into usable proteins.
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What is the name of the selective agent present in mitis-salivarius agar?
a. tellurite
b. phenol red
c. neutral red
d. eosin
a. Tellurite, is a selective agent which is present in mitis-salivarius agar.
Mitis Salivarius Agar with Tellurite (MSAT) is a type of an enriched selective medium which has application in the isolation of Streptococcus salivarius, Streptococcus mitis and the other oral Enterococci and Streptococci which are found in different clinical specimens.
Peptones are a source of nitrogen, carbon, vitamins etc. and are added to the MSAT. Potassium tellurite and crystal violet are selective agents and can inhibit the growth of most gram negative bacilli and also the most gram positive bacteria excluding Streptococci.
Hence, option a. is the correct option.
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What is the name of the test used to determine if a bacterium can produce acetoin?
When observing the gel at the end of the run period, the dna band that is closest to the positive electrode is the.
Answer:
smallest in size
Explanation:
hopefully, this is correct and will help you
Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous?
The correct option is Light reflects off the object and reaches our eyes.
What is Luminous?The definition of luminous is giving off a very bright light or an individual or trait considered brilliant. An example of luminous is the sun. An illustration of luminous is the smile of a beautiful girl. adjective.Some common synonyms of luminous are bright, brilliant, lustrous, and radiant. While all these phrases mean "shining or glowing with light," shining indicates the emission of steady, suffused, glowing light by consideration or in the surrounding evening.Objects like the sun that give out or emit light of their own are named luminous entities.Other examples: Electric bulbs, torches, etc. Non-luminous entities are entities that don't have their own light but are perceptible only when light from a luminous source remembers from them. For illustration: Moon, chair, a painting, etc.To learn more about Luminous, refer to:
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When an individual's immune system responds to an appropriate antigenic stimulus during the course of daily activities, this is called:______.
When an individual's immune system responds to an appropriate antigenic stimulus during the course of daily activities, this is called: "naturally acquired active immunity."
What is immune system?A vast network of organ, white blood cell, protein (antibodies), and chemicals make up your immune system.
Together, these components of your body's defense system guard you against external intruders (bacteria, virus, parasites, and fungus) that can lead to illness, disease, and infection.
The features of properly working immune system are-
When your immune response is in optimal condition: Your immune system can distinguish between your own cells and chemicals that are external to your body when it is functioning properly. It energises, mobilizes, engages in combat with, and eradicates potentially harmful foreign invader microbes. After you've been exposed to pathogens, your immune system picks them up. Your body produces antibodies to defend you against certain particular pathogens. The process of receiving a vaccine is an illustration of this idea.To know more about main function of the immune system, here
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The mars rover curiosity finds a living organism on the red planet. scientists would know that it is eukaryotic and not prokaryotic if ________
The mars rover curiosity finds a living organism on the red planet. scientists would known that it is eukaryotic and not prokaryotic if it has membrane bound organelles.
There is no proof of past life has been found on mars. The environment of red planet has liquid water and may have been habitable for microorganism but habitable condition do not necessarily indicate life. Fossil traces of microscopic bacteria that live in massive marine reefs.
Prokaryotic bacteria well dined nuclei and membrane bond organelles with chromosome which is composed of single , circular ring of DNA. Eukaryotic bacteria is also membrane bounded nucleus in eukaryotes and not in bacteria. DNA is present in nucleus.
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