2 years ago

What are the structures and functions of proteins and nucleic acids in living organisms?

1 answer:

7 0

Answer:

Protein: Contain N, have N-C-C backbone Function: Nucleic acids: Stores and transfers info Carbohydrates; Store energy, provide fuel, and build structure in body, main source of energy, structure of plant cell wall

Explanation:

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By the end of the second trimester of pregnancy, A. all a human's body parts are fully developed. B. a human's brain has not yet

DedPeter [7]

All a human's body parts are fully developed by the end of the second trimester of pregnancy.

Answer: Option A

<u>Explanation:</u>

The second trimester lasts from 13th Week to 28th Week. At the end of 28th week the child's organs become completely created during the second trimester. The child can likewise begin to hear and swallow. Little hairs become perceptible.

Later on in the subsequent trimester, the child will start to move around. It will create dozing and waking cycles that a pregnant lady will start to take note.

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4 years ago

Animals that are best adapted to their environment are more likely to survive and reproduce. This principle is called _______

Softa [21]

Answer: natural selection

Explanation:

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3 years ago

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