Question

nucleotide are composed of phosphate group, a sugar , and a nitrogenous base. DNA is made up of long strands of nucleotide. which part if the above molecule can differ between nucleotide?
A.the sugar
B. the phosphate group
C.the nitrogen group
D. there is no differing structure in nucleotide

Answer 1

Answer:

The answer to your question is: A and C.

Explanation:

A.the sugar  Sugar is different between nucleotides from RNA and DNA, in RNA there is ribose and in DNA, deoxyribose.

B. the phosphate group  it does not change between nucleotides.

C.the nitrogen group  Nitrogenous bases change among nucleotides, there are 5 bases: Cytosine, Thymine, Uracil, Adenine and Guanine.

D. there is no differing structure in nucleotide This option is wrong because A and C change.

Answer 2

Option C is the correct answer. Nitrogenous base is the molecule that differ between nucleotide.

Nucleotide:

• In DNA all sugars are deoxyribose sugar.

• In Phosphate and sugar bond together and form DNA backbone.
• This backbone is same among nucleotide.
• There are 4 nitrogenous bases which differ among nucleotide.

From the above discussion, Option A, B, and D is incorrect.

So, we can conclude that Nitrogenous base is the molecule that differ between nucleotide.

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