Semi-conservative replication of dna refers tothe idea that (3.3)a. dna molecules need to unwind beforereplication
6 answers
Question:
Semi-conservative replication of dna refers to
the idea that (3.3)
a. dna molecules need to unwind before
replication begins
b. each new dna molecule contains two new
single rna strands
c. two strands of dna molecules run in
opposite directions
d. each half of the original dna molecule is
joined with a new complimentary strand
the idea that (3.3)
a. dna molecules need to unwind before
replication begins
b. each new dna molecule contains two new
single rna strands
c. two strands of dna molecules run in
opposite directions
d. each half of the original dna molecule is
joined with a new complimentary strand
Answers
It is the
A. DNA molecules need to unwind before replication being
each of the two daughter DNA molecules contains one strand from the original DNA molecule and one newly synthesized strand.
Explanation:
DNA replication is a semi-conservative process. The two parental DNA strands are separated from each other by the action of helicases. The separated DNA strands serve as the template. Primase enzyme forms primers which are elongated by DNA polymerase enzymes. These enzymes elongate the primer by the addition of deoxynucleotides complementary to the sequence of the template DNA strand.
Therefore, DNA replication forms two DNA double helices from one parental DNA molecule. Each of the daughter DNA molecules contains one parental DNA strand and one newly formed DNA strand making the process semi-conservative.
Semi-Conservative
Explanation:
After DNA replication, the parental DNA molecule contains two original DNA strands while the daughter molecule is composed of two newly synthesized strands. In this model, the two DNA strands in the parental molecule separate from each other and serve as templates for the synthesis of daughter strands.
The process is catalyzed by enzymes called DNA mutagens.
Explanation:
The double helix of the D.N.A molecule seprates and new strands are made
the identical two strands of DNA molecules run in opposite directions.
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