Chapter 10

Question 1

Watson and Crick used x-Ray data from ____ and ____.

Answer 1

Rosalind Franklin and Maurice Wilkins

Question 2

Watson and crick deducted that DNA was a ____ with a uniform ____.

Answer 2

Double helix

Diameter

Question 3

Who found data of A&T and C&G pairing together?

Answer 3

Chargoff

Question 4

If DNA contained 2 ____, then the DNA molecule would have a diameter almost twice a large as a ____ pair.

Answer 4

Purines

Pyrimidine

Question 5

2 chains joined by H bonds between bases, twisted into a helical shape

Answer 5

DNA

Question 6

The ____ is on the outside of DNA double helix.

Answer 6

Sugar-phosphate backbone

Question 7

The ____ are perpendicular to the backbone in the interior of DNA.

Answer 7

Nitrogenous bases

Question 8

What gives the helix a uniform shape?

Answer 8

Specific pairs of bases

A&T and C&G

Question 9

____ hold nucleotides next to one another along the sugar-phosphate backbone?

Answer 9

Covalent bonds

Question 10

What type of bonds link base pairs?

Answer 10

Hydrogen bonds

A - T, C - G

Question 11

What type of bonds are weaker and allow the strands to separate during replication?

Answer 11

H bonds