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(B) Nucleic acids are polymers of nucleotides. Each nucleotide consists of a nitrogenous base,a pentose sugar,and a phosphate group.Nitrogenous bases

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Guanine and Adenine

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(B) Nucleic acids are polymers of nucleotides. Each nucleotide consists of a nitrogenous base,a pentose sugar,and a phosphate group.Nitrogenous bases are classified into two types: Purines and Pyrimidines.Purines are double-ring structures,which include Adenine $(A)$ and Guanine $(G)$.Pyrimidines are single-ring structures,which include Cytosine $(C)$,Thymine $(T)$,and Uracil $(U)$.In $DNA$,the purine bases are Adenine and Guanine,while the pyrimidine bases are Cytosine and Thymine.

The purine nitrogen bases in $DNA$ are .....

Similar Questions

$A$ $DNA$ polymer has a free phosphate group at one end of the sugar,which is called the $P$ end of the polynucleotide chain. Similarly,at the other end of the polymer,there is a free $OH$ group of the sugar,which is called the $Q$ end of the polynucleotide chain.
$\quad P \quad Q$

In $DNA$,how are the nucleotides linked together?

If a $DNA$ fragment contains $A = 166$ and $C = 144$,what is the total number of nitrogenous base pairs in that fragment?

The link between generations is provided by:

Repetitive $DNA$ is separated from bulk genomic $DNA$ by which of the following techniques?

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