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alexdok [17]
2 years ago
10

In an experiment that tests how

Biology
1 answer:
Ber [7]2 years ago
3 0

Answer:

D.

Explanation:

The independent variable is the variable that goes unchanged by the others

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The amount of blood ejected from the ventricle in a single contraction is called
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Answer: stroke volume

Explanation:

Stroke volume is the amount of blood ejected during ventricular contraction or for each stroke of the heart.

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1 year ago
The tissue(s) that is/are considered excitable because of the ability to generate electrical signals is/are called ________ tiss
REY [17]

Answer:

Muscle tissue and neural tissue

Explanation:

Excitability refers to the ability of muscle and nerve cells of the respective tissues to respond to a stimulus and generate an action potential. Both muscle cells and neurons respond to a stimulus and convert it into the action potential.

Action potential refers to the electrical signal. Propagation of action potential along the membranes of these cells results in muscle contraction and functioning of neurons.

The membrane potential of these cells changes in response to the stimulus and the changed potential is propagated to the other cells.

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3 years ago
In one experiment, Mendel grew 633 green pea plants with wrinkled seed covers. If the ratio of wrinkled seed plants to straight
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Answer:

31

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Compare the process of carbon fixation in C3 plants to that of C4 plants.
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Carbon fixation is the process in which plants remove the carbon from atmospheric carbon dioxide and turn it into organic molecules like carbohydrates.

Because different type of plants are located in regions with different conditions they are different types of carbon fixation.  Plants that live in arid regions need to conserve water, while plants that live in more moist conditions will not need to conserve water.

The carbon fixation in C3 plants is one-step process. An oxidation reaction occurs because of the enzyme RuBisCo.  During the oxidation some of the energy used in photosynthesis is lost in a process known as photorespiration.



4 0
3 years ago
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DNA fingerprinting bands are also referred to as
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I am no expert but I think the correct answer is C.

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