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Cancer DNA Replication

Last updated about 2 years ago

20 questions

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Question 4

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Question 6

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Question 7

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Question 8

8.

Fill in the complementary bases on the strand below.
A T C C A G

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Question 16

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Question 18

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Question 19

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What percent of G would there be if there is 19% C?

Question 20

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What percent of C would there be if there is 22% G?

What are the three parts of a nucleotide?

A. sugar, phosphate, base

B. C, H, and O

C. amino acid, peptide bond, and hydrogen

D. phophate, ADP and hydrogen bond

What kind of sugar is found in a DNA nucleotide?

A. ribose

B. glucose

C. deoxribose

D. fructose

What is NOT a base in DNA?

A

T

C

U

What parts of the nucleotide makes up the rungs (MIDDLE) of the ladder?

bases

sugar and phosphate

What parts of the nucleotide make up the sides (backbone) of the ladder?

bases

sugar and phosphate

What base does adenine bind to?

Adenine

Cytosine

Guanine

Thymine

What base does cytosine bind to?

Adenine

Cytosine

Guanine

Thymine

When does DNA replication occur?

During G1

During S phase

During G2 

During mitosis

What is the role of DNA helicase in DNA replication?

To glue the Okazaki fragments together

To add free nucleotides

To separate the DNA strands

Once the DNA strands are separated, free nucleotides are added to the complementary strands by which enzyme?

Helicase

Ligase

Primer

Polymerase

The new DNA strand that is built continously is called

Lagging strand

Leading strand

Template strand

The strand that is built in pieces is called

Leading strand

Lagging strand

Template strand

Letter A represents the strand that is built continuously. Letter A is the

Template strand

Leading strand

Lagging strand

Replication fork

Letter B represents the strand that is built in pieces. Letter B  is the

Template strand

Leading strand

Lagging strand

Replication fork

The lagging strand that is built in fragments is called

Owens fragments

Okazaki fragments

Ligase fragments

Primer fragments

Which enzyme glues the fragments on the lagging strand?

Helicase

Ligase

Polymerase

Single Binding Protein

DNA replication is saide to be semiconservative because

A. two entirely new molecules of DNA are made from one old molecule

B. one molecule of DNA is spilt into two separate strands

C. one entirely new molecule of DNA is made from one old molecule

D. newly formed DNA molecules each contain one newly synthesized starnd and one old strand