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Bio Conn DNA Replication

Last updated almost 2 years ago

30 questions

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Question 1

1.

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

Question 2

2.

What kind of sugar is found in a nucleotide?

A. ribose

B. glucose

C. deoxribose

D. fructose

Question 3

3.

What is NOT a base in DNA?

A

T

C

U

Question 4

4.

What parts of the nucleotides make up the rungs of the ladder?

bases

sugar and phosphate

Question 5

5.

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

bases

sugar and phosphate

Question 6

6.

What base does adenine bind to?

Adenine

Cytosine

Guanine

Thymine

Question 7

7.

What base does cytosine bind to?

Adenine

Cytosine

Guanine

Thymine

Question 8

8.

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

Question 9

9.

When does DNA replication occur?

During G1

During S phase

During G2 

During mitosis

Question 10

10.

The first enzyme invovled in DNA replicates is DNA helicase. What type of organic molecule is DNA helicase?

Carbohydrate

Protein

Lipid

Nucleic Acid

Question 11

11.

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

Question 12

12.

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

Helicase

Ligase

Primer

Polymerase

Question 13

13.

The new DNA strand that is built continously is called

Lagging strand

Leading strand

Template strand

Question 14

14.

The strand that is built in pieces is called

Leading strand

Lagging strand

Template strand

Question 15

15.

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

Template strand

Leading strand

Lagging strand

Replication fork

Question 16

16.

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

Template strand

Leading strand

Lagging strand

Replication fork

Question 17

17.

The lagging strand that is built in fragments is called

Owens fragments

Okazaki fragments

Ligase fragments

Primer fragments

Question 18

18.

Which enzyme glues the fragments on the lagging strand?

Helicase

Ligase

Polymerase

Single Binding Protein

Question 19

19.

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

Question 20

20.

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

Question 21

21.

What percent of T would there be if there is 31% A?

Question 22

22.

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

Question 23

23.

What percent of T would there be if there is 28% A?

Question 24

24.

What percent of A would there be if there is 29% T?

Question 25

25.

What percent of G would there be if there is 21% C?

Question 26

26.

If Wheat contains 27% A how much G is there?

Question 27

27.

If Wheat contains 27% A how much C is there?

Question 28

28.

If Wheat contains 27% A how much T is there?

Question 29

29.

If Yeast contains 19% G, what percent of C is there?

Question 30

30.

If Yeast contains 31% A, how much T is there?