Chapter 20 Test

Question 0

Examples of a lysogenic cycle

Answer 0

Shingles, Herpes, AIDS/HIV

Question 1

Examples of a lytic cycle

Answer 1

Cold, flu, stye

Question 2

Example of a retrovirus

Answer 2

HIV

Question 3

What is reverse transcriptase

Answer 3

Enzyme used to code viral DNA

Question 4

Three ways to identify prokaryotes

Answer 4

1) shape
2) if they move
3) how they obtain and use energy

Question 5

What is the difference between obligative and facultative

Answer 5

Obligative: cannot survive in the presence of oxygen
Facultative: can survive with or without oxygen

Question 6

Heterograph

Answer 6

They take in organic molecules from the environment to use as energy

Question 7

Photoheterotraph

Answer 7

They are like heterotrophs but also use light for energy

Question 8

Photoautotraph

Answer 8

Only uses light energy to turn CO2 to carbon

Question 9

Chemoautotraph

Answer 9

Uses energy released by chemical reactions

Question 10

3 modes of reproduction

Answer 10

1) binary fission
2) conjugation
3) lateral gene transfer

Question 11

What is lateral gene transfer?

Answer 11

Asexual reproduction where pilus is built between cells

Question 12

3 types of useful bacteria

Answer 12

1) decomposers
2) producers
3) nitrogen fixers

Question 13

Decomposers

Answer 13

Breaks down dead organisms, help maintain equilibrium in the environment.
(Sewage treatment, water purifiers)

Question 14

Producers

Answer 14

Produce food and biomass EVERYTHING relies on

Question 15

Nitrogen fixers

Answer 15

Convert nitrogen into ammonia for plants to use

Question 16

What are the two ways bacteria can cause disease?

Answer 16

1) destroying the cell

2) releasing chemicals that upset homeostasis

Question 17

Viroid

Answer 17

Cause disease in plants

Question 18

What did Louis Pasteur do?

Answer 18

Vaccine for rabies and anthrax

Question 19

Is AIDS caused by a bacterium?

Answer 19

No

Question 20

How do you prevents viral disease?

Answer 20

Vaccine

Question 21

How do you treat a viral disease?

Answer 21

Antivirals

Question 22

Two ways to classify prokaryotes?

Answer 22

Bacteria or archaea

Question 23

What is archaea good for?

Answer 23

Heat stable enzymes for use in chemistry and medicine

Question 24

Example of archaea

Answer 24

Methane producers