Some types of muscular dystrophy are X-linked recessive disorders. A mother who is a carrier for muscular dystrophy has children with a father who doesn’t have muscular dystrophy.
a. What percentage of their sons will have the disease, and what percentage of their sons will be carriers?
b. What percentage of their daughters will have the disease, and what percentage of their daughters will be carriers?

Show your work with a Punnett Square, using XD to represent the allele not associated with muscular dystrophy and Xd to represent the allele associated with muscular dystrophy. You can copy/paste the blank table below or create a table in the submission box to complete the Punnett square.

Circular folds act to slow down the movement of chyme and ensure that it remains within the small intestine for maximal nutrient absorption.

Digestion is the physiological process of breaking down foods to obtain energy and matter by part of the body.

The chyme is a mass of food that has already been digested by different types of digestive enzymes.

The chyme is a mass generated by secretions in the stomach organ as well as in the small intestine.

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Answer:

C. The process occurs in the mitochondria of Eukaryotes.

Explanation:

Therefore in prokaryotic cells, the citric acid cycle occurs in the cytoplasm; in eukaryotic cells, the citric acid cycle takes place in the matrix of the mitochondria.

Acetyl-CoA reacts in the first step of the eight step sequence of reactions that comprise the Krebs cycle, all of which occur inside mitochondria of eukaryotic cells. While the Krebs cycle does produce carbon dioxide, this cycle does not produce significant chemical energy in the form of adenosine triphosphate (ATP) directly, and this reaction sequence does not require any oxygen. Instead, this cycle produces NADH and FADH2, which feed into the respiratory cycle, also located inside of the mitochondria. It is the respiratory cycle that is responsible for production of large quantities of ATP and consumption of oxygen. In addition, the respiratory cycle converts NADH and FADH2 into reactants that the Krebs cycle requires to function. Thus, if oxygen is not present, the respiratory cycle cannot function, which shuts down the Krebs cycle. For this reason, the Krebs cycle is considered an aerobic pathway for energy production.

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Mitochondria

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).

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Answer:

Mitochondria

Explanation:

Answer:

Square 1: AA

Square 2: Aa

Square 3: aa

Explanation:

The letters on the on outsides intersect in a way making diffent alleles

Answer:

kinetic energy

Explanation:

if something is moving that means its kinetic if its still its potential

Answer:

The answer is The substrate will not be able to attach to the enzyme's active site.

Because the function of inhibitors is to block the enzyme's activity

Explanation:

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The substrate will not be able to attach to the enzyme's active site. So the correct option is A.

The inhibition is carried out by inhibitors that do not advance the product's development. The inhibitors may affect the enzyme as well as the substrate. Enzyme inhibition is the term used to describe the cessation of enzyme activity.

These enzyme inhibitors can bind to active regions and prevent further action by stopping it. Both reversible and irreversible forms of binding are possible. The ability of an inhibitor to block an enzyme may be irreversible or reversible depending on its unique function. Enzyme inhibitors can block the binding site, which reduces the enzyme's catalytic activity by preventing the substrate from binding to the active site.

Reversible inhibitors bind to enzymes by non-covalent interactions such as ionic bonds, hydrogen bonds, and hydrophobic contacts. Reversible inhibitors do not conduct chemical reactions when they are linked to an enzyme and are quickly removed by dilution or dialysis.

However, irreversible inhibitors usually covalently change an enzyme, making it impossible to reverse inhibition.

Therefore, the correct option is A.

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Answer:

Back Pain and Stiffness; kind of relation to Hunchback?

Explanation:

It happens when we have poor posture; positioning our arms & shoulders not how we normally position them - it can also happen when carrying heavy stuff or slouching.

Answer:

The ligaments and muscles that support the vertebrae can extend as a result of poor posture in childhood, such as leaning back in seats and carrying heavy backpacks. Kyphosis occurs when the thoracic vertebrae are pulled out of their usual position.

Answer:

What processes ensure that the normal number of chromosomes is restored after each cell division? The process of mitosis duplicates the cell's DNA. This ensures that there will be enough chromosomes for both of the daughter cells.

Answer:

3.)CATASTROPHISM

Explanation:

catastrophism suggested the features seen on the surface of earth such as mountains,were formed by large abrupt changes or catastrophes

Answer:

B. larger and more complex.

Answer:

Water travels through out a food web because everything that is considered food needs the water to live or in this case become food for another animal or plant. It also travels by keeping the food web source full and alive.

Explanation:

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Answer:

appropriate labels

Explanation:

to label everything correctly

Answer: The total energy passed from one level to the next is only about one-tenth of the energy received from the previous organism. This means that an animal eating a plant will only get about ten percent of the energy that is stored in the plant

Explanation: it may be lost as faeces, thermal energy or may not be digested properly to get the derived energy

Answer:

It is B Biological Surplus

Explanation:

Biological Surplus means that a species population has grown too big, above carrying capacity

Answer:

Paraphrasing Readers re-state and re-write text in their own words to capture the main focus of the reading. This strategy forces readers to pay close attention to the author's ideas and helps improve the readers’ level of understanding. Predicting Readers make predictions or “best guesses” about what will happen next.

Explanation:

The amount of variation is reduced when a specific trait continues to be bred.

Artificial selection is the process in which organisms are chosen by human for the breeding purpose in order to get the desired characteristics.

So we can conclude that It reduces the amount of variation when a specific trait continues to be bred.

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Answer:

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Answer:

A. Adrenaline

Explanation:

adrenaline is a hormone

Answer:

A. Adrenaline

Explanation:

A is NOT correct because the actual 4 chemicals in DNA are Adenine,Cytosine, Thymine and Guanine.

Adrenaline is NOT part of the 4 chemicals of the DNA, which makes A correct answer.

Answer:

I think Sir Issac Newton is the correct answer

Isaac Newton, an English mathematician and physicist, is considered the greatest scientist of all time.

I think it will help you.

Answer:

20,500

Explanation:

Answer:

heart rate

metabolism

mood

appetite

reproduction

sleep cycles

growth

Explanation:

Answer:

No they cannot fly

Explanation:

Penguins dont have any feather to fly with

Answer:

Well, in a sense they really do fly, only through the water, not through the air. Their wing bones are fused straight, making the wing rigid and powerful like a flipper. Penguins don't really need to fly because they dive deep, and swim so that they can catch their prey. Their bodies have huge fat supplies, heavy muscles, and densely packed feathers. There’s no way they could fly with such short wings and heavy bodies.

Explanation:

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Answer: decrease in biodiversity - loss of habitat

Explanation:

Answer:loss of habitat and decrease in biodiversity

Explanation:

Answer:

C

Explanation:

It's pretty simple really, just find the Benefit. Pollution is definitely a harmful effect, disease is also not a benefit, and depletion of fish population is bad, so easing demand on commercial fisheries is the answer

Approximately 10 percent of the energy is passed on to the consumer and approximately 90 percent of the energy is lost as heat.

This refers to an interconnecting diagram that shows the overall food relationships between organisms in a particular environment.

90 percent of energy is usually lost as heat thereby allowing for the transfer of only 10 percent of energy to the consumers.

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In systemic circulation, a drop of blood that is rich in oxygen in the left atrium will first travel through the bicuspid valve to reach the left ventricle. From there it will be pumped through the aortic semilunar valve to reach the aorta which will branch into arterioles.

The blood exiting the capillaries is poor in oxygen and will first travel in venules, which will fuse into bigger veins. Eventually the blood will enter into the right ventricule via either superior vena cava or inferior vena cava.

This involves blood vessels supplying oxygenated blood to and returning deoxygenated blood from the tissues of the body.

The appropriate processes and steps can be seen above.

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The bug population has changed since the introduction of the invasive plants the bugs are unable to feed on native fruits.

The population of bug decrease because the invasive plants reduce the population of native plants on which the bug feed. If the food for the bug decreases then the population of the bug is also decreases.

So we can conclude that the bug population has changed since the introduction of the invasive plants the bugs are unable to feed on native fruits.

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The best explanation for the change in the bugs after the introduction of invasive plants is that bugs with longer mouthparts have a survival advantage.

Natural selection is the process by which individuals of a population that are better suited to their environment are more likely to survive and reproduce.

According to this question, a population of bugs have experienced an increment in the following features:

This suggests that the bugs have become more adapted since the introduction of the invasive plants to enable them survive, hence, they developed longer mouthparts and body length.

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