Chapter 2/4: Archaea

Question 1

What are archaea also known as?

Answer 1

Extremeophiles

Question 2

What do archaea use for DNA packaging?

Answer 2

Histones

Question 3

What is found in all archaea cell envelopes?

Answer 3

Plasma membrane

Question 4

What is found in most archaea cell envelopes?

Answer 4

Cell wall

Question 5

What is the tail of the phospholipid made of in archaea?

Answer 5

Phytanyl

Question 6

What is the tail of a phospholipid monolayer made of in archaea?

Answer 6

Biphytanyl

Question 7

What is an environmental advantage of the archaea plasma membrane?

Answer 7

Heat stable

Question 8

What are archaeon cell walls made of?

Answer 8

Pseudomurein

Question 9

What is subunits make up Pseudomurein?

Answer 9

NAG, NAT

Question 10

What two structures can be found outside the archaeon envelope?

Answer 10

S-layers, Flagella

Question 11

What type of archaea grow at cold temperatures?

Answer 11

Psychrophiles

Question 12

What type of archaea grow at hot temperatures?

Answer 12

Thermophiles

Question 13

What types of archaea grow at very hot temperatures?

Answer 13

Hyperthermophiles

Question 14

What types of archaea grow at a low pH?

Answer 14

Acidophiles

Question 15

What type of archaea grow at high pressure?

Answer 15

Barophiles

Question 16

What types of archaea require high levels of NaCl?

Answer 16

Halophiles

Question 17

What type of archaea are all strict anaerobes?

Answer 17

Methanogens

Question 18

What type of archaea reduce CO2 with H2 to produce CH4 and H2O?

Answer 18

Methanogens