Multiple Choice QuestionsThe process of multiplication of DNA from DNA is known as
replication
transversion
transcription
translation
A eukaryotic gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis?
Introns
Exons
Both 'a' and 'b'
None of the above
The number of hydrogen bonds between adenine and thymine in a DNA molecule is :
two
three
four
eight
Sequence of DNA (Non- coding) is known as:
exon
intron
cistron
none
B.
intron
Intrans are DNA sequence lying within a coding sequence, i.e. Exons but not usually encoding cell product and resulting so called split genes cistron is a segment of linear DNA encoding a specific and functional product, usually protein.
Mutation is more common when it is present in:
dominant condition
recessive condition
constant in population
none of the above
Which of the following constitute about 10-20% of total circular RNA?
m-RNA
r -RNA
t-RNA
hn -RNA
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