Test 2 Quizzes (4,5,6,7,8)

Question 1

Answer 1

k

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

What enzyme from HIV can make a copy of DNA from RNA?

Answer 18

Reverse Transcriptase

Question 19

What enzyme is used for release of bacteriophages from the host cell?

Answer 19

lysozyme

Question 20

What two biomolecules do all viruses possess?

Answer 20

1) Nucleic Acid
2) Protein

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

What is alternative splicing?

Answer 27

It is when you remove introns and rejoin exons in various combinations to create different mRNAs

Question 28

If 30 colonies were counted on a plate with a final dilution factor of 10-3 mL, then the original sample should contain how many bacteria?

Answer 28

30,000 bacterium or 3 x 10^4

Question 29

What is the difference between a nucleoside and a nucleotide?

Answer 29

A nucleotide contains a sugar, nitrogenous base, and a phosphate group, whereas a nucleoside only contains a sugar and nitrogenous base

Question 30

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Question 33

Question 34

What is the difference between a sense codon and a nonsense codon?

Answer 34

A sense codon codes amino acids while a nonsense codons are termination codons.

Question 35

What are the two functions of beta-galactosidase?

Answer 35

1) converts lactose allolactose 2) converts lactose to glucose and galactose

Question 36

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Question 45