The result of natural selection in a population depends on the population's environment and Natural selection causes advantageous variations to become more common over many generations are true statements about the process of natural selection (options 2 and 3).
What is the process of natural selection?The process of natural selection is an evolutionary mechanism associated with the differential survival and reproduction of the most adaptive phenotypes in a given environment.
Therefore, with this data, we can see that the process of natural selection leads to a change in gene allele frequency due to differential reproduction.
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In one of the reactions of the citric acid cycle, malate is oxidized to oxaloacetate. When this reaction is considered in isolation, a small amount of malate remains and is not oxidized. The best term to explain this is
When this reaction is considered in isolation, a small amount of malate remains and is not oxidized. The best term to explain this is entropy.
How does the citric acid cycle affect malate?Through the activity of NAD+-dependent malate dehydrogenase, malate is change to oxaloacetate, making the cycle to be full. In the Krebs cycle, there is the moving of electrons along with that of oxygen as the final acceptor.
Therefore, Entropy can be thought of as a rough point of the quality of energy, with lower entropy telling more about higher quality. Lower entropy energy is saved in an organized manner.
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See full question below
In one of the reactions of the citric acid cycle, malate is oxidized to oxaloacetate. When this reaction is considered in isolation, a small amount of malate remains and is not oxidized. The best term to explain this is
equilibrium
entropy
enthalpy
free energy
loss of energy
1. A disease was caused by a bacterium; you want to produce a biological product to kill this bacterium. Which product you have to produce? How can you use your biotechnological knowledge to produce it in high amount?
Explanation:
Infectious diseases can be caused by: Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis
Engineering sustainable food production.
Sea-water based bio-processes.
Non-resource draining zero waste bio-processing.
Using carbon dioxide as a raw material.
You can use antibiotics to kill the bacteria. An example of antibiotic is penicillin that is synthesized by a fungus called penicillum notatum. You can use bioengineering to produce it in high amount. You extract the gene from the fungus using restriction enzymes and you introduce it into a plasmid of Ecoli with ligase. But Ecoli needs to also have the penicillin resistant gene.
Can someone help me out with these questions pls
The correct answer is :
Large surface area for gaseous exchange to take place - c. Millions of alveoli present in each lung.
Diffusion of gases through cell surfaces is facilitated - e. Alveoli and capillaries have a one cell thick wall.
Distance for diffusion is kept short - e. Alveoli and capillaries have a one cell thick wall.
Steep concentration gradient is constantly maintained - d. Each alveolus has a thin film of moisture.
Quick access to the circulatory system - a. Each alveolus is closely surrounded by a network of capillaries.
The lungs contain millions of alveoli, providing a large surface area for gaseous exchange to take place. This large surface area ensures that there is enough space for the exchange of gases between the alveoli and the bloodstream to occur efficiently.
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how many ATPs are produce in ( glycolysis, creb cycle, metabolism and electron transport chain)?
how are the inheritance of yellow pod color in peas and cytic fibrosis in humans similar to each oter
Recessive traits are coded by two copies of recessive alleles. The inheritance pattern is autosomal recessive. Yellow pod color and cystic fibrosis are inherited by autosomal recessive genes.
What are recessive traits?Recessive traits are those coded by recessive alleles and can only be expressed in individuals whose genotyope is homozygous recessive. This is, individuals who only carry recessive alleles for that trait.
Alleles (dominant and recessive) are variants of the same gene.
The gene codes for a characteristic, and the allele codes for one variant of the characteristic, which is the trait.
So recessive traits are coded by the recessive variant of a gene.
Autosomal recessive inheritance characterizes by the expression of the recessive trait. Two copies of these alleles are needed to express the recessive phenotype and no dominant alleles.
For instance,
The characteristis pod color is coded by a diallelic gene. The dominant allele codes for green and the recessive allele codes for yellow. Yellow is the recessive trait.The characteristic cystic fibrosis is coded by a diallelic gene. The dominant allele codes for normal individuals, while the recessive allele codes for affected individuals. Cystic fibrosis is the recessive trait.Yellow pod color and cystic fibrosis are inherited by autosomal recessive genes.
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an object weighs 20n it displaces a volume of water that weighs 15n what is the buoyant force on the object
Answer:
sorry dont no what u say
so bye
Yosef is studying the ocean floor and the technology used in marine science research. How would Yosef BEST describe the contributions submarines have made to our understanding of marine science?
A.
Submarines proved Archimedes’ law of buoyancy.
B.
Submarines made it possible to predict earthquakes.
C.
Submarines made it possible to predict tsunamis.
D.
Submarines allowed for the discovery that the plates of the ocean were spreading apart.
Yosef BEST describe the contributions submarines have made to our understanding of marine science as, submarines allowed for the discovery that the plates of the ocean were spreading apart. Option D is correct.
Submarines have greatly contributed to our understanding of marine science through their ability to explore the depths of the ocean. The discovery that the plates of the ocean were spreading apart was made possible by the use of submarines to study the ocean floor. Submarines have also been used to study marine life, geology, and the chemical and physical properties of the ocean. They have allowed scientists to collect data and samples from areas that would be difficult or impossible to study using traditional methods, leading to new discoveries and insights into the ocean's complex systems. Hence, option D is correct.
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In studies about new medicines, researchers usually give one group of patients the medicine that is designed to treat an illness. They give another group of patients a placebo, which is taken the same way as the medicine but does not actually contain the ingredients of any medicine. Different medicines are tested in different experiments, but the placebos usually contain the same non-medical ingredients. If both groups of patients are healed, then researchers cannot be sure whether the medicine caused improvement, but if the group given the medicine is healed while the group given the placebo remains ill, researchers can conclude that the medicine causes the illness to go away. In medical experiments, which group receives placebos?
Answer:
The group receiving the placebo is known as the control group
Explanation:
The type of medical study described in the question is known as a placebo-controlled study, which has to do with a group of subjects receiving the actual drug to be tested and another group known as the control group receives a fake (placebo) treatment and they are used in blinded trials where the participants do not know whether they are receiving the real or sham treatment. Placebos are used to rule out the placebo effect, which is the effect on the receipientof the treatment which is not caused by the actual treatment itself, this is important to rule out external or extreneous effects that interfere with treatment arising from factors other than the treatment itself. Without the placebo (control) group, it would be imossible t to know whether the treatment itself had any effect.
Some studies incorporate a third group known as "natural group" that do not receive any treatment whatsoever.
Answer:
The control group
Explanation:
I
got it correct when I put it
The leucine zipper motif functions to A. mediate the physical association of two polypeptides. B. anchor transcriptional activator proteins to enhancer sequences. C. release leucines from misfolded transcription factors. D. integrate leucines and isoleucines into newly translated transcriptional activators.
Answer:
Option A (mediate...........polypeptides) would be the appropriate choice.
Explanation:
That's only because the leucine zipper symbol consisting of such a leucine remnant anywhere certain 7th point and has an α helical attachment. Maybe the leucine including its zipper between one protein dimples again from α-helix as well as interdigit this same leucine including its iterator of some other antibody.Some other possibilities in question are not connected to something like the situation in question So that is the correct approach.
ZIP or the leucine zipper motif is a series that contains periodic repetition of the leucine amino group at every seventh position of the array.
The correct option is:
Option A. mediate the physical association of two polypeptides.
This can be explained as:
ZIP forms the alpha-helical conformation that promotes dimerization and sometimes oligomerisation.bZip allows protein dimerization by interdigitating two leucine of different helices of different molecules.Therefore, ZIP moderates the physical linkage of polypeptides.
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6. Jayden recently learned that the atmosphere is made of gases. Which is NOT a way in which
gases are helpful to life on Earth?
A. It provides carbon monoxide to help plants grow
B. It protects us from the Sun's harmful rays
C. It allows us to breathe
D. It protects us from meteors
It’s earth and space science
Answer:
B
Explanation:
It protects us from harmful rays
please help!! Match the image to the phenomena it is showing. (MS-ESS1-1)
Image 1 is a solar eclipse
Image 2 is a lunar eclipse
What is an eclipse?An eclipse is an astronomical event that occurs when one celestial body, such as a moon or planet, moves into the shadow of another celestial body.
There are two main types of eclipses: solar eclipses, in which the moon blocks the sun's light from reaching the Earth, and lunar eclipses, in which the Earth blocks the sun's light from reaching the moon. These events can only happen during a new moon phase.
The kind of eclipse that has taken place can be seen when we look at the images that have been shown above.
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Which organisms occupy two different places within the same food chain? (Select all that apply.) Venus flytrap remora pitcher plant thermophiles
Answer
I think its remora I'm not sure I hope it's right
Explanation:
what is the resting phase of the cell cycle called?
A. Prometaphase
B. Mitosis
C. Interphase
The resting phase of the cell cycle is called interphase.
Interphase is a critical stage in the cell cycle during which the cell prepares for division by going through different activities such as growth, DNA replication, and protein and organelle production. It is the longest phase of the cell cycle and is separated into three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2).
The cell develops in size, synthesises RNA and proteins, and performs its regular duties during the G1 phase. The cell enters the S phase after passing through the G1 checkpoint. The DNA of the cell is reproduced during the S phase, resulting in the production of two identical copies of each chromosome.
This ensures that during cell division, each daughter cell receives a complete set of genetic material. The cell enters the G2 phase after DNA replication, where it continues to expand and prepares for mitosis.
Interphase is not a real resting phase because the cell is actively engaged in multiple cellular functions. However, because the cell is not visibly dividing at this period, it is commonly referred to as the resting phase.
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Differentiate between internal and external movement in plants and animals
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please check attachment.. Hope it helps you..
Bacteria that can't survive in the
presence of oxygen are known as
A. obligate aerobes.
B. obligate anaerobes.
C. facultative anaerobes.
D. eukaryotes.
Answer:
B. obligate anaerobes.
Explanation:
"Anaerobic" refers to a lack of oxygen.
B. Obligate anaerobes
Explanation:
it do not possess the defenses that make aerobic life possible and therefore cannot survive in air.
Can someone feel this chart out and give explanations. It’s on Benedict’s test, iodine test, Sudan test, and biuret test.
The biuret test is used to detect the presence of proteins in a sample. Biuret reagent is added to the sample, and if proteins are present, the copper ions in the reagent will bind to the peptide bonds in the protein, causing the solution to turn from blue to purple. The intensity of the color change is proportional to the amount of protein present in the sample.
What are Benedict’s test, iodine test, Sudan test, and biuret test?Benedict's test is used to detect the presence of reducing sugars, such as glucose and fructose, in a sample. To perform the test, the sample is mixed with Benedict's reagent and heated in a water bath. If reducing sugars are present, the solution will change from blue to green, yellow, orange, or red, depending on the concentration of reducing sugars.
The iodine test is used to detect the presence of starch in a sample. Iodine is added to the sample, and if starch is present, the iodine will bind to the starch molecules, forming a blue-black color.
The Sudan test is used to detect the presence of lipids or fats in a sample. Sudan III or Sudan IV dye is added to the sample, and if lipids are present, the dye will bind to the lipids, causing them to appear as red droplets in the sample.
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The concerted model of cooperativity proposes:
a. The existence of multiple hybrid states of the enzyme
b. Inhibitors act to decrease the number of enzyme molecules in the R-state
c. All hybrid states of the enzyme bind ligand with equal strength
d. Negative cooperativity is the result of conformational changes in the enzyme induced upon ligand binding
apakah pandangan individu berkaitan perluasaan kuass barat ke tanah melayu
Answer: its d. cause i just took it
Explanation:
PLS HELP ME
In 3-5 sentences, describe the advantages and disadvantages of these maps in modeling mitosis.
Answer:
Explanation:
you haven't put the image, however mitosis is the splitting of one cell into two identical daughter cells (duplicating the DNA) - hope this helps!
difference between mycoplasma and l form bacteria
Answer:
L-form bacteria are distinct from mycoplasmas, because Mycoplasma spp. do not originate from bacteria that normally possess a cell wall. ... Some of these bacteria remain as CWDB (stable L-forms), whereas others revert back to possession of a cell wall (unstable L-forms).
Explanation:
september would the earth be experiencing a solstice or an equinox
how do you know
In September the earth will be experiencing an equinox
Equinoxes occur between March and September. When the Sun's rays strike the equator at midday and at a 90° angle, it is considered an equinox. It stands for the idea that day and night have equivalent lengths. The sunset and dawn are separated by 12 hours everywhere on Earth. One may observe how quickly the sunset and dawn hours shift throughout the day the farther one goes from the equator.
Whereas, solstices occur in June and December. The contrary is visible close to the solstices. For a few days, both the sunset and sunrise appear to be constant. Over the course of the year, the time of day when the sun is directly overhead where one lives also gradually changes.
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In 2019 a global pandemic devastated the world. 5AR * 5 - CoV - 2 a variation of the SARS virus, has been responsible for this devastation and has affected all of us one way or another. Knowing what you have learnt so far about genetics explain how this virus has persisted for so long by referring to your knowledge on mutations and give an explanation as to how this knowledge helps us fight the virus?
As we know the virus known as SARS-CoV 2 belongs to the family of coronavirus, this means that is a monocatenary RNA virus which confers it a high mutation rate, as was a new type of virus there was no antiviral known to be effective or vaccine which leads to catastrophic consequences, nonetheless, vaccines were developed in a quite short time, however, the virus keeps mutating and even when vaccines are effective preventing grave forms of Covid-19, the mutations have made the new virus strains more infectious that is to say they are transmitted easier in other cases also are more aggressive as was the case of delta variant, in some other, the symptoms are not grave even more the disease can go unnoticed like sile omicron or BA.2 which allows a greater rate of infection. In conclusion, the mutations have changed the time of incubation, the severity of the symptoms, vulnerable groups, and infection rate, a fact that has allowed the virus to continue active.
What do MSDS sheets do?
Answer:
The MSDS lists the hazardous ingredients of a product, its physical and chemical characteristics (e.g. flammability, explosive properties), its effect on human health, the chemicals with which it can adversely react, handling precautions, the types of measures that can be used to control exposure, emergency and first....
Explanation:
thats basically what they are lol yea okay yea no
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPPP
Will individual C and D have the same phenotype? Why or why not?
Individuals C and D will have the same phenotype because parents A and B will produce children that have the genotype Tt and have the ability to taste PTC.
What are the genotypes and phenotypes of the offspring s of the cross between parent A and B?The genotypes and phenotypes of the offspring s of the cross between the parent A and B are derived as follows:
Genotypes of A = TT
The genotype of B = tt
Cross between A and B: TT x tt
The genotype of the offspring = Tt, Tt, Tt, And Tt
Since the ability to taste PTC is inherited in a dominant fashion, all the offspring will have the same phenotype, the ability to taste PTC.
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Ocean pollution may be caused by the following
A fertilize runoff
B all of the above
C plastic waste
D chemical or nutrient pollution
Answer:
B. all of the above
Explanation:
Why would mutation of a tyrosine residue to glutamate in the intracellular portion of a growth factor receptor lead to increased tumor formation
Answer:
this mutation leads to a constitutively active state where the receptor can not be inactivated by dephosphorylation
Explanation:
Phosphorylation is a posttranslational modification that usually occurs at the side chains of serine, tyrosine and threonine residues, thereby regulating protein function. Phosphomimetic amino acids are substitutions (mutations) able to mimic the phosphorylated form of the protein, resulting in constitutive activation/inactivation of the corresponding protein. In this case, it is expected that the substitution of tyrosine to glutamate gives rise to a constitutively active state of the receptor by replacing tyrosine with a phosphomimetic residue.
How has cheese impacted the agricultural life?
Answer:Cheese spurred a genetic mutation in humans
Explanation: With the discovery of cheese, suddenly those early humans could add dairy to their diets. Cheese made an entirely new source of nutrients and calories available for adults, and, as a result, dairying took off in a major way.
What would happen if the termination sequence was skipped or not read?
Answer:
Transcription is an essential step in using the information from genes in our DNA to make proteins. Proteins are the key molecules that give cells structure and keep them running. Blocking transcription with mushroom toxin causes liver failure and death, because no new RNAs—and thus, no new proteins—can be made.^2
2
Place the steps for the formation of the enzyme pepsinogen in the correct order.
The DNA strands unwind, and
RNA polymerase binds to the
template strand.
The mRNA undergoes intron
splicing and exits the
nucleus.
The tRNA moves through mRNA
with the activated amino acids
attached to it.
The synthesis of mRNA begins.
The amino acids assemble
to form peptide.
↓
↓
↓
↓
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Post Test: Cells
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Pepsinogen is the precursor to the enzyme pepsin that acts in the digestion of proteins.
What is the order in which pepsinogen is formed?The order in which pepsinogen is formed is given as follows:
The DNA strands unwind, and RNA polymerase binds to the template strand.The synthesis of mRNA begins.The mRNA undergoes intron splicing and exits the nucleus.The tRNA moves through mRNA with the activated amino acids attached to it.The amino acids assemble to form peptide.This process is known as protein synthesis, or translation, and involves the transcription of DNA into mRNA, followed by the translation of mRNA into a chain of amino acids. The newly synthesized chain of amino acids then folds into the functional protein. In the case of pepsinogen, it is synthesized and secreted by the chief cells of the stomach and later activated to form the enzyme pepsin by the acidic environment of the stomach.
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What should Brenda do when a patient wants to make payments on an outstanding patient account balance?
Answer:
Brenda should facilitate the patient's resolve to make the payments by ensuring that an effective schedule is worked out with the patient and that the patient is able to stick to the agreed schedule.
Explanation:
Brenda should always make sure that patients are encouraged to make good on their promises to pay for their medical treatment. She should be compassionate with the patient by showing understanding and sharing information on payment terms. She should be very creative in scheduling payments in such a way as to ensure that the patient makes payments as scheduled. She can even work out some fees for late payments to encourage the patient to stick to the schedule.
What is the process X?
Answer:
digestion
Explanation:
since digestion is the breaking down of food particles to smaller sized molecules