The primary function of DNA ligase is to
a. cut the two strands of DNA molecule prior
to replication.
b. attach free nucleotides to a growing chain.
c. remove bases that might have been inserted
incorrectly.
d. seal any tiny gaps in the new DNA.
e. fragment old DNA that is no longer of use
to the cell.
D
You might also like to view...
Muscle contraction does not shorten the muscle filaments (myosin and actin). How then, does a contraction produce tension?
What will be an ideal response?
The enzyme used by HIV that allows it to make DNA from RNA is
a. DNA ligase. b. helicase. c. restriction endonuclease. d. reverse transcriptase. e. cholinesterase.
If an individual's two alleles for a gene are the same, the individual is ______ for that gene.
a) heterozygous b) homozygous c) true-breeding d) Both B and C are correct
The types of bonds linking nucleotides in nucleic acids are
A. nonpolar covalent bonds. B. phosphodiester bonds. C. peptide bonds. D. ionic bonds.