Replication progresses at a rate of about 50 base pairs per second in…….
a) virus
b) eukaryotes
c) bacteria
d) none of these
The two chains of DNA occur side by side in a………
a) parallel but opposite
b) parallel, opposite and folded spirally
c) straight direction
d) parallel and straight
The formation of daughter strands from template is called……
a) extension
b) polymerization
c) synthesis
d) both a and b
Explanation: A template is DNA that contains the target that you want to amplify, where target refers to the specific region of DNA
Which of the following enzyme extends the daughter DNA strands during DNA replication?
a) DNA gyrase
b) DNA helicase
c) DNA polymerase
d) primase
Explanation: A DNA polymerase is a member of a family of enzymes that catalyze the synthesis of DNA molecules from nucleoside triphosphates
DNA polymerase cannot work unless some nucleotides are arranged on template by the enzyme………
a) DNA gyrase
b) DNA helicase
c) nuclease
d) primase
Explanation: primase adds some nucleotides called primer
Each primer is short oligonucleotide stand of ………..acts as a site for the activity of DNA polymerase.
a) DNA
b) RNA
c) amino acid
d) both a and b
