8.1 SG

Question 1

What is the basic structural unit of DNA and RNA?

Answer 1

Nucleotide

Question 2

What are the three components of a nucleotide?

Answer 2

A phosphate group, a sugar, and a nitrogenous base

Question 3

True or False: DNA contains the sugar ribose.

Answer 3

False

Question 4

What sugar is found in DNA?

Answer 4

Deoxyribose

Question 5

What sugar is found in RNA?

Answer 5

Ribose

Question 6

What are the four nitrogenous bases found in DNA?

Answer 6

Adenine, Thymine, Cytosine, Guanine

Question 7

Which nitrogenous base in RNA replaces Thymine found in DNA?

Answer 7

Uracil

Question 8

What are the base pairs of DNA

Answer 8

Adenine pairs with Thymine, and Cytosine pairs with Guanine.

Question 9

What type of bond holds the nitrogenous bases together in DNA?

Answer 9

Hydrogen bonds

Question 10

What is the primary function of DNA?

Answer 10

To store genetic information

Question 11

What is the shape of a DNA molecule?

Answer 11

Double helix

Question 12

What type of RNA is responsible for carrying amino acids to the ribosome?

Answer 12

Transfer RNA

Question 13

If there is 18% thymine what are the other base percents?

Answer 13

A=18%
G=32%
C=32%