Question

1.Which of the following are key elements of DNA structure that are essential for understanding DNA...

1.Which of the following are key elements of DNA structure that are essential for understanding DNA replication?

A.

Composed of two strands that run in the same direction (5' to 3')
B.

Purine (A or G) bases pair with other purines and pyrimidines (T or C) pair with other pyrimidines
C.

Composed of two strands that run in opposite directions (one is 5' to 3' and the other 3' to 5')
D.

Purine base (A or G) in one strand is paired with a pyrimidine base (T or C)

2.What does each new DNA molecule consists of? What is this called?

3.What are the four essential components needed for the polymerase chain reaction?

4.Because there are genes in the telomere, the slight shortening, and subsequent restoration, that takes place, could have harmful consequences.

True

False

5.DNA replication is fast paced because it begins almost simultaneously at many places.

True

False

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Homework Answers

Answer #1

1.
DNA is composed of two strands which run in opposite directions one in 5' to 3' and
other to 3' to 5' direction.
Purine base in one strand is paired with a pyrimidine base.

Options c and d

2.

New DNA molecule consists of nucleotides complementary to parent strand.

3.
The four essential components of polymerase chain reaction are
POlymerase, nucleotides, primers and DNA.

4.
Yes, the given statement is true.

5.
DNA replication is multiforked which make it to happen at a fast pace.
Hence the statement is true.

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