Bio 180: Exam 3

Question 1

Prokaryotic

Answer 1

Plasma Membrane
DNA in single circle
Cytoplasm
No membrane-bound organelles

Question 2

Bacteria and Archae differ

Answer 2

External Cell Wall
-bacteria include peptidoglycan

Plasma membrane
- archae have unique phosopholipids

DNA
- archae is associated with histones

DNA/RNA polymerases&ribosomes are distinct in bacteria

Question 3

Phototrophs

Answer 3

light used to create ATP

Question 4

Organotrophs

Answer 4

organic molecules with high potential energy used to create ATP

Question 5

Lithotrophs

Answer 5

inorganic molecules with high potential energy to create ATP

Question 6

Autotrophs

Answer 6

synthesize own high potential energy

organic compounds from simple starting materials

Question 7

Heterotrophs

Answer 7

Use organic compounds with high potential energy produced by other organisms

Question 8

Bioremediation

Answer 8

use of organisms to remove pollutants from water, air and soil

bacteria and archae used to degrade organic pollutants

Question 9

Pathogenic

Answer 9

cause disease

Question 10

Antibiotics

Answer 10

molecules that kill bacteria

produced by various soil bacteria and fungi