mprisbrey1992oxfpwz mprisbrey1992oxfpwz

14-03-2018
Biology

contestada

which statement describes a DNA molecule?
a) it is single stranded
b) it has a double-helix shape
c) it is made completely of protein.
d) it contains two types of nitrogenous bases.

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tinaninu30 tinaninu30

14-03-2018

it has a double-helix shape

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TenishaTon TenishaTon

11-06-2019

Answer: Option B

Explanation:

The Deoxyribonucleic acid can be defined as a double stranded molecule made up of nucleic acids. The double helical structure that consists of the nucleic acid arises as a consequence of its secondary structure.

The double helix structure of the DNA is kept together by the nitrogenous bases that bind together.This double helix structure is right handed structure.

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