Which describes these molecules correctly

Answer:

51.84%

Explanation:

p² + 2pq + q² = 1 and p + q = 1

p = frequency of the dominant allele in the population

q = frequency of the recessive allele in the population

p²  = percentage of homozygous dominant individuals

q²  = percentage of homozygous recessive individuals

2pq = percentage of heterozygous individuals

p = 0.72 => p² = 0.72² = 0.5184

=> Percentage of the rats are normal sized: 51.84%

(c)Low Temperature of the Reactants can decrease the rate of a chemical reaction.

How temperature effects the rate of a chemical reaction

Chemical reactions typically occur faster at higher temperatures. Food can spoil quickly when left on the kitchen counter. However, the lower temperature inside of a refrigerator slows that process so that the same food remains fresh for days. An increase in temperature will raise the average kinetic energy of the reactant molecules. Therefore, a greater proportion of molecules will have the minimum energy necessary for an effective collision.Thus decrease in the temperature of a reaction can help in decreasing the rate of a chemical reaction.Lower the temperature lower the chemical reaction rate.

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The final electron-accepting molecule in the electron transport chain is oxygen.

Oxygen mainly acts as an electron acceptor in the electron transport chain. More specifically, it acts as the final electron acceptor to ensure that oxidative phosphorylation takes place.

Without this final electron acceptor, the electron transport chain will not be able to complete the cycle, and energy molecules in the form of ATP will not be formed.

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Answer:

B or concave mirror.

Explanation:

A plant is homozygous for the production of yellow seeds (YY) and homozygous for wrinkled seeds, possible gametes will this plant produce (r) Y, y, and r only. Thus, option "C" is correct.

The plant is heterozygous (Yy) for the color of seed and homozygous (rr) for the shape of the seed.

For the color of the seed, there are two alleles that will take part in gametes formation are (Y) n (y) while for the shape of seed is have only two recessive alleles (r).  

So, by the assortment of (Y) n (r) the first gamete will be (Yr) and an assortment of (y) n (r) second gamete will be (yr).

Thus, the correct answer is option C. Yr and yr only.

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San is correct , because it takes more energy to move the larger muscles that adults and is denoted as option A.

This is referred to as a unit of energy in food substances such as carbohydrates, fats etc.

Adults have larger muscles composed of bigger tissues which requires more energy for their functioning in our daily activities which is why San was correct.

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The comparison between the structure and location of the human large intestine with those of the fetal pig are as described below.

Fetal Pigs usually have large intestines that is located at their left side and is primarily a predominant spiral colon.

However, the human heart is different because it has an ascending colon on the right side that is connected to the descending colon on the left side of our body by the transverse colon.

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Coxal bone is constructed up of a fusion of three bones: ilium, ischium, and pubis. Ilium- Ilium is the biggest part of the coxal bone.

Answer:

c

Explanation:

the beetles fall prey to the poison dart from so if they went extinct they wouldn't be a threat to the beetles population

A muscle fascicle have three layers of connective tissues.

Connective tissues are tissues which connects layers of organs or tissues together.

A muscle us a type of tissue.

A muscle fascicle have three layers of connective tissues called:

Therefore, a muscle fascicle have three layers of connective tissues.

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Because one of the two strands of a replicated DNA molecule is newly synthesized and the other is the original template, DNA replication is said to be a semi-conservative process.

DNA replication may be defined as the biological process that involves duplicating a DNA molecule comparable to the construction of two DNA molecules.

DNA replication is proceeded by the semiconservative model, which means that the parental double helix is half conserved, and each parental single strand remains intact.

Therefore, it is well described above.

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Answer:

When temperatures are too high, energy systems (metabolic functions) slow, and growth and flowering slows or stops.

Explanation:

-cooling the plant and pumping water and minerals to the leaves for photosynthesis. Plants need to cool themselves for several reasons. 

Answer:

D they have membrane bound organelles

Explanation:

Uncharged oxygen molecules would be most likely to travel by facilitated diffusion.

Facilitated diffusion is a transport mechanism by which molecules move to both sides of biological membranes in favor of a concentration gradient.

Facilitated diffusion generally involves small molecules such as O2 and does not involve energy expenditure.

In conclusion, uncharged oxygen molecules would be most likely to travel by facilitated diffusion.

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The statement that is not true of the phylogenetic tree is that it ranks organisms by importance in evolutionary history. option A

Hence, the statement that is not true of the phylogenetic tree is that it ranks organisms by importance in evolutionary history. option A

Which of these statements is NOT true of the phylogenetic tree?

A. It ranks organisms by importance in evolutionary history.

B. It depicts an organism's lineage as it changes over time.

C. It shows successive events of speciation in which one species gives rise to two.

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wise is the answer because the word bold also means wise

the answer is lazy because sage also means lazy

Explanation:

1 cuz we don't need that ,we need all of them exept number 1

Answer:

1. (Ribosomes are synthesized)

Explanation:

Ribosomes are only involved in the translation of mRNA to proteins. During DNA replication DNA helicase unwind the DNA double-strand by breaking hydrogen bonds between the two strands. DNA polymerase then replicates each strands using nucleotides complimentary of the replicating strands.  

The answers above is not my original answer, this question has already been answered previously by someone else, so all credit is given to Diatonic254.

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Answer:

He can use beans since it is a legume and legumes have root nodules that facilitate nitrogen fixation

Anaerobic (without oxygen) and aerobic (with oxygen) cellular respiration are both possible (without oxygen).

During aerobic cellular respiration, glucose and oxygen combine to create ATP, which the cell can utilise. As byproducts, carbon dioxide and water are produced.

The Krebs cycle, oxidative phosphorylation, and glycolysis—an anaerobic process—are the three phases of aerobic cellular respiration.

All forms of cellular respiration begin with glycolysis, which is anaerobic and oxygen-free. The pathway will go on to the Krebs cycle and oxidative phosphorylation if oxygen is present. However, some species may engage in fermentation to continuously manufacture ATP in the absence of oxygen.

Total amount of ATP molecules generated during aerobic respiration from a single glucose molecule.

During glycolysis:

As 2ATP

From 2NADH 5ATP (oxidation phosphorylation)

In pyruvate oxidation;

From 2NADH 5ATP (oxidative phosphorylation)

Citric acid cycle;

ATP ATP (substrate level phosphorylation)

From 6NADH 15ATP (oxidative phosphyrlation)

From 2 FADH2 3ATP

Total Number ATP = 32 ATP

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The factor that mostly likely decrease biodiversity in a ecosystem is narrower niches because narrower niches does not give way for various organisms to inhabit .

Biodiversity refer to various or different kind of plants and animals present in the environment and their role in their habitat

Therefore, The factor that mostly likely decrease biodiversity is narrower niches

because narrower niches does not give way for various organisms to inhabit.

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The carbon cycle moves through virtually all of the earth's spheres.

There are 4 majors spheres of the earth:

The carbon cycle moves through the air (atmosphere), oceans (hydrosphere), organisms (biosphere), and the soil (geosphere).

Thus, the carbon cycle moves through all the spheres of the earth.

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Answer: D. all of the Earth's spheres

Explanation:

Bacilli is a rod shaped bacteria that cause diseases like tuberculosis, botulism, and tetanus.

Bacilli refer to a group of bacteria that is small, rod shaped and also a gram positive bacteria which causes diseases or infections on their host. They normally transmit diseases through infected food, water and animal bite.

Therefore, Bacilli is a rod shaped bacteria that cause diseases like tuberculosis, botulism, and tetanus.

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Answer:

drought resistant trait

Answer:

Enlargement or magnification of a specimen is the function of a two-lens system; the ocular lens is found in the eyepiece, and the objective lens is situated in a revolving nose-piece.

Answer:

The four main wobble base pairs which are:

Choose any one of them.

The clear representation of the DNA molecule is represented below in the picture.

A DNA molecule may be characterized as a molecule that possesses the biological instructions that assemble each species remarkable. It is a molecule found inside cells that comprises the genetic information accountable for the expansion and operation of an organism.  

A DNA molecule is comprised of nucleotide base pairs like Adenine (A), Thymine (T), guanine (G), and cytosine (C).

According to Chargaff's rule, adenine is bounded to thymine with the help of two hydrogen bonds while guanine is bounded to cytosine with the help of three hydrogen bonds.

Therefore, it is well described above.

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Answer:

C  T

A. G

3'.  5'

Explanation:

The statement that correctly pairs the cell type and it's purpose is as follows: parenchyma cell - thin cell wall, perform metabolic functions, and make up most of the plant (option A).

Plant cells are of varying types and they perform different functions in the system.

The simple cell types that can be found in plants are as follows:

From the above description, the statement that correctly pairs the cell type and it's purpose is as follows: parenchyma cell - thin cell wall, perform metabolic functions, and make up most of the plant.

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