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lana66690 [7]
4 years ago
13

What chemical makes up the rungs? More than one answer

Biology
1 answer:
Goryan [66]4 years ago
3 0
The answer is B. Nitrogen base

The sides of the DNA ladder are made of alternating sugar and phosphate molecules, the sugar being deoxyribose. The rungs of the ladder are pairs of four types of nitrogen bases (adenine, thymine, cytosine, and guanine)

Hope this helps :)
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Which best describes the reactants and products of photosynthesis? Reactants are formed inside the plant, and products are taken
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reactants are taken in from the environment by the plant,and products are formed inside the plant.

Explanation:

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You come upon an outcropping of sandstone while working in the field in Southern Utah. You notice cross-beds. Which of the follo
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B. the direction of the wind at the time it was deposited

Explanation:

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4 years ago
The process of stabilizing the structure of an enzyme in its active form by the binding of a molecule is an example of _________
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Answer:

<h2>allosteric regulation</h2>

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4 years ago
The greatest difference in the concentration of respiratory gases is found in which of the following pairs of mammalian blood ve
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In contrast, vena cava is a part of systemic circulation and carries deoxygenated blood from the body to the right atrium of the heart. They are two venae cavae in human beings namely; inferior vena cava (carries blood from lower body) and superior vena cava (carries blood from head, arms and upper body). Hence, it contains maximum carbon dioxide and least oxygen.

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3 years ago
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