Homework Chapter 2

Question 1

Found in all DNA nucleotides

Answer 1

Phosphate
Deoxyribose Sugar

Question 2

Found only in specific DNA nucleotides

Answer 2

Cytosine
Adenine
Thymine
Guanine

Question 3

Thymine

Answer 3

Thymine bonds with Adenine

Question 4

Guanine

Answer 4

Guanine pairs with Cytosine

Question 5

Cytosine

Answer 5

Cytosine pairs with Guanine

Question 6

Thymine

Answer 6

Thymine bonds with Adenine

Question 7

https://session.masteringmicrobiology.com/problemAsset/2776838/1/MMB_1544721_D_Transition.jpg

How many DNA nucleotides (in total) are present in this segment of DNA?

Answer 7

Eight

Question 8

https://session.masteringmicrobiology.com/problemAsset/2776838/1/MMB_1544721_D_Transition.jpg

When bonds between atoms are graphically depicted, a solid line represents covalent bonds, and a dotted line represents hydrogen bonds. Based on this figure, hydrogen bonds are located between which components of DNA nucleotides?

Answer 8

between two nitrogen-containing bases

Question 9

https://session.masteringmicrobiology.com/problemAsset/2776838/1/MMB_1544721_D_Transition.jpg

The two strands in a DNA helix are described as being antiparallel, or in opposite orientations. If one DNA strand is in the 5’ to 3’ orientation, the complementary DNA strand is orientated in which direction?

Answer 9

3’ to 5’

Question 10

Circle

Answer 10

Phosphate

Question 11

Hexagon

Answer 11

Uracil

Question 12

Pentagon

Answer 12

Ribose Sugar

Question 13

DNA

Answer 13

The pentose sugar is deoxyribose, it is double stranded in cells and most DNA viruses, it functions by determining the hereditary of a trait, the nitrogen containing bases are Cytosine, Adenine, Thymine and Guanine

Question 14

RNA

Answer 14

the pentose sugar is ribose, it is single stranded in cells and most
RNA viruses, the nitrogen-containing bases are adenine (A), cytosine (C), guanine
(G), and uracil (U), it functions with protein synthesis.