16.06.2022

The DNA molecule has a ladder-type structural organization. Each rung of this ladder represents A) alternating phosphate and glucose molecules

B) a pair of nitrogenous bases

C) ribose molecules

D) a random organization of proteins and lipids

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09.07.2023, solved by verified expert
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B

Explanation:

If you see the image attached, the edges of this "ladder" is made up of the phosphate groups and the insides of nitrogenous base pairs (ATCG). That is why we call this a ladder, in which we have a phosphate backbone and nitrogenous base stairs or "rungs".

Answer choices C and D are not even close to the right answer. They have nothing to do with DNA. Just try and remember that base pairs A, T, C, and G go on the inside & each strand has a phosphate backbone (edges).

Hope this helps!


The DNA molecule has a ladder-type structural, №18010758, 16.06.2022 06:52
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B

Explanation:

If you see the image attached, the edges of this "ladder" is made up of the phosphate groups and the insides of nitrogenous base pairs (ATCG). That is why we call this a ladder, in which we have a phosphate backbone and nitrogenous base stairs or "rungs".

Answer choices C and D are not even close to the right answer. They have nothing to do with DNA. Just try and remember that base pairs A, T, C, and G go on the inside & each strand has a phosphate backbone (edges).

Hope this helps!


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