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Unit Test Review

The structure of DNA resembles a twisted ladder. Which structural components form the rungs of the ladder?

A. deoxyribose sugars
B. phosphate groups
C. nitrogenous base pairs
D. ribosomes

Sagot :

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Final answer:

DNA structure includes nitrogenous base pairs forming the ladder rungs and phosphate groups with deoxyribose sugars forming the side rails.


Explanation:

The rungs of the DNA ladder are formed by the nitrogenous base pairs, specifically adenine-thymine and guanine-cytosine, which are held together by hydrogen bonds. The phosphate groups and deoxyribose sugars form the sugar-phosphate backbone of the DNA strands, resembling the side rails of the ladder.


Learn more about DNA structure here:

https://brainly.com/question/29634357


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