Teaching CSIR NET Mock Test Series Life Sciences Fundamental Processes DNA replication, repair and recombination
Given below are a few statements related to enzymes and their functions in molecular reactions.
A. Alkaline phosphatases remove 3' phosphates from DNA and RNA.
B. S1 nuclease removes single-stranded regions from partially double stranded DNA.
C. 5' end-labelling of DNA molecules can be done by using polynucleotide kinase which transfers a 32P-labelled phosphate group to the 5 ' end of dephosphorylated DNA.
D. 3'-5' exonuclease activity of Taq polymerase releases the reporter from the 3' end of Taqman probes in qPCR.
Which one of the following options represents a combination of all correct statements?
1
A and D
2
B and C
3
B and D
4
A and C