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The analysis of DNA molecule shows 30% thymine nucleotides. The amount of guanine nucleotides will be…….
a) 10%

b) 20%                 

c) 30%  

d) 40%

b

The analysis of DNA molecule shows 30% adenine nucleotides. The amount of thymine nucleotides will be…….
a) 10%

b) 20%                  

c) 30%

d) 40%

c

The analysis of DNA molecule shows 20% guanine nucleotides. The amount of cytosine nucleotides will be…….
a) 10%

b) 20%                 

c) 30%

d) 40%

b

Explanation:the amount of adenine will always be equal to thymine and guanine to cytosine.       A=T and G=C



Which type of bond is present between adenine and thymine?
a) single

b) double              

c) triple  

d) ionic

b

Which type of bond is present between guanine and cytosine?
a) single

b) double              

c) triple

d) ionic

c

The nitrogenous bases are attached with each other by double or triple…….bond.
a) covalent                                           

b) ionic
c) hydrogen                         

d) polar

c