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castortr0y [4]
3 years ago
13

RNA primer constructed during DNA replication needs to be replaced because RNA differs from DNA. It contains_______ instead of__

_____ .
1. adenine, cytosine, uracil

2. adenine, guanine, thime
Biology
2 answers:
Zarrin [17]3 years ago
8 0
DNA- adenine, guanine, thymine, and cytosine

RNA- adenine, guanine, uracil, and cytosine

So RNA contains uracil instead of thymine
d1i1m1o1n [39]3 years ago
6 0

Correct answer: 1. adenine, cytosine, uracil

RNA is a polymer that consists of ribose sugar and phosphate backbone. The four different types of nitrogenous bases found in the RNA are adenine, guanine, cytosine, and uracil.

Structurally DNA and RNA are similar, One major difference between DNA and RNA is that RNA consists of ribose sugar instead of deoxyribose sugar in DNA. Another difference is that RNA possess Uracil instead of thymine in DNA.

Hence, the correct answer would be adenine, cytosine, uracil .



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