DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

using enzyme called telomerase
using RNA as a template
shortening of the double stranded replicated portion
None of these

ANSWER DOWNLOAD EXAMIANS APP

DNA Structure and Replication
In DNA, there are

four bases known as adenine, guanine, thymine and cytosine
five bases known as adenine, guanine, thymine, tryptophan and cytosine
only two bases known as adenine and cytosine
three bases known as adenine, guanine and cytosine

ANSWER DOWNLOAD EXAMIANS APP