Each DNA Strand Has a Backbone That Consists of Alternating

question 57

Multiple Choice

Each DNA strand has a backbone that consists of alternating

• A) covalent and ionic bonds.
• B) nitrogen-containing bases.
• C) hydrogen bonds.
• D) sugar and phosphate molecules.
• E) covalent and hydrogen bonds.

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Definitions:

Regulation

The control or maintenance of a process or function at a certain level or within certain limits.

Pulmonary Vein

A vein that carries oxygenated blood from the lungs to the left atrium of the heart.

Capillary

A capillary is a tiny blood vessel in the body's circulatory system that connects arterioles and venules, facilitating the exchange of water, oxygen, carbon dioxide, and other nutrients and waste substances between blood and tissues.

Pulmonary Circulation

The part of the circulatory system responsible for carrying blood from the heart to the lungs and back.