Question

15. (a) What is DNA? Where is it found?
(b) Name the functional segment of DNA?
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Answer 1

Answer:

hey mate hope it help u

Explanation:

Deoxyribonucleic acid dna is a nucleic acid that contains the genetic instructions for the development and functions of living things.dna found in the cell nucleus as nuclear dna.the functional segment of dna are genes.

Answer 2

ANSWER :

Different region of a cell can communicate with each other rapidly for the cell to function effectively.

Cells have a large surface area / volume ratio for Greater diffusion of substances in and out of the cell.

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