Final Exam Study

Question 1

Which is not a type of virus that integrates into the host chromosome? pox, bacteriophage, influenza, retrovrisu

Answer 1

pox

Question 2

A bacterium that has the ability to take up free DNA is called: complimentary, competent, transducing, transient

Answer 2

competent

Question 3

A mutation occurring without human intervention is called what?

Answer 3

Spontaneous

Question 4

Which type of mutation changes the amino acid coded for: misense, nonsense, neutral, silent

Answer 4

missense

Question 5

T or F: DNA repair is typically error free

Answer 5

True

Question 6

T or F: Plasmids never contain genes essential to the cell

Answer 6

True

Question 7

T or F: Mutation always has a negative effect on the cell

Answer 7

False

Question 8

Name three types of RNA virus

Answer 8

Toga, Corona, Flavi

Question 9

Name three types of DNA virus

Answer 9

Pox, Herpes, Hepadna

Question 10

Additions or deletions of bases from the DNA lead to what type of mutation?

Answer 10

Frame Shift

Question 11

Name one component used for bacterial adherence

Answer 11

Biofilm

Question 12

Name 2 mutagens

Answer 12

xrays, radiation, UV rays

Question 13

Coronavirus has what type of genome?

Answer 13

tRNA

Question 14

What is the first protein made during the coronavirus life cycle?

Answer 14

RNA replicase

Question 15

What type of template is needed for genome replication?

Answer 15

RNA

Question 16

What is the first body site to be colonized?

Answer 16

Skin

Question 17

Name one organism typically found in the small intestine

Answer 17

E.Coli

Question 18

Name one organism typically found on the skin

Answer 18

staphylococcus

Question 19

Name a function of reverse transcriptase

Answer 19

Makes DNA from RNA

Question 20

Are viruses considered to be alive?

Answer 20

No

Question 21

What enzyme is used during base excision repair?

Answer 21

DNA glycosylase

Question 22

Name a type of herpes virus

Answer 22

Herpes simplex

Question 23

T or F: DNA primase adds RNA primers

Answer 23

True

Question 24

T or F: DNA pol 3 replicates both strands of DNA in eukaryotes

Answer 24

False

Question 25

T or F: Only prokaryotes separate transcription and translation

Answer 25

False

Question 26

T or F: Mutation always has a negative effect on the cell

Answer 26

False

Question 27

Which is not a complonent of nucelotide: methyl group, pentose sugar, nitrogenous base, phosphate group

Answer 27

methyl group

Question 28

What replication enzyme unwinds the DNA helix to open the DNA?

Answer 28

Helicase