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lorasvet [3.4K]
3 years ago
7

Help pls should be easy?​

Biology
2 answers:
gtnhenbr [62]3 years ago
4 0
What you have selected should be right
Bond [772]3 years ago
4 0
The 1st one is correct
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Which base is normally used in the synthesis of RNA but not in the synthesis of DNA
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Answer:

Uracil

Explanation:

Like DNA, RNA is made up of nucleotides called ribonucleotides. However, unlike DNA, RNA contains the sugar ribose instead of deoxyribose and the base uracil instead of thymine. RNA also contains of only one polynucleotide chain. Uracil is a type of nitrogenous base that is replaced by thymine during the formation of RNA.

6 0
3 years ago
Read 2 more answers
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