12) DNA replication occurs in a _____________ manner. a) Dispersive b) Conservat
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Question
12) DNA replication occurs in a _____________ manner.
a) Dispersive
b) Conservative
c) Semi-conservative
d) Neoconservative
e) Progressive
13) Find the false statement ?
a) DNA stands for Double-stranded Nucleic Acid
b) X-ray crystallography studies helped predict the helical shape of DNA and its physical
dimensions
c) Centrifugation of DNA in a CsCl gradient, a method used by Meselson and Stahl, separates
DNA molecules based on their density
d) The nucleotides in a chain of nucleic acid are linked together by phosphodiester bonds
e) The base-pairing that holds the two complementary strands of DNA together consists of
hydrogen bonds.
f) Adenine and guanine are purines, because they are double-ringed nitrogen bases.
Explanation / Answer
12) DNA replication occurs in a Semi-conservative manner.
DNA replication is semi-conservative, where one strand serves as the template for the second strand which is replicated. Actually during replication of double stranded DNA, the two strands separate and each separate strand is then used as a template to make a new strand.
13) All the statements are true. There are no false statements.
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