Archaea I Bacteria

Question 1

Prokaryotic or eukaryotic: archaea

Answer 1

Prokaryote

Question 2

3 types of archaea

Answer 2

① methanogen’S
② halophile’S
③ thermoacidophiles

Question 3

Properties of methanogen’S

Answer 3

Habitat: swamps, Marsh
Produce: methane
Anaerobic (no 02)
Use: c02, n2, as energy

Question 4

Halophile’S

Answer 4

Habitat: saline (saltwater)

Question 5

Thermoacidophiles

Answer 5

Habitat: heat and acid

Question 6

5 classifications of Bacteria

Answer 6

① shape
② cell wall
③ food and energy requirements
④ oxygen
⑤ RNA sequence

Question 7

What are the 3 shapes of bacteria?

Answer 7

Coccus (shepherical)
Bacillus (rod-shaped)
Spirillum (screw)

Question 8

2 types of bacterial cell wall

Answer 8

Gram positive

Gram negative

Question 9

Difference between grampositive vs gram negative

Answer 9

Gram positive (purple)
- thick peptidoglycan layer
- one plasma membrane
Gram negative (Pink)
- thin peptidoglycan layer between 2 plasma membrane

Question 10

What does photosynthetic mean?

Answer 10

Synthesis or organic compounds energy from light

Question 11

What does chemosynthetic mean?

Answer 11

Synthesis of inorganic compounds from inorganic

Question 12

Explain process of asexual reproduction (binary fission)

Answer 12

Copy of parent (haploid chromosomes)
① DNA replication
② 2 daughter chromosomes
③ cell wall form
④ independent separation

Question 13

Explain process of sexual reproduction of Bacteria (conjugation)

Answer 13

Conjugation: allows bacterium transfer of chromosomes through Pili

• sex plus (male) attaches to female
• DNA passes through

Question 14

What are antibiotics?

Answer 14

Derived from fungi or bacteria

Question 15

How do antibiotics stop bacteria

Answer 15

Interfere with bacteria protein synthesis
① building cellwalls and membrane
② make dnairna