Archaeal Diversity

Question 1

Prokaryotes are…?

Answer 1

bacteria and archea

Question 2

70s ribosomes, complex cell walls, majority have circular genomes in compact nucleoid.

Answer 2

traits shared by prokaryotes.

Question 3

RNA gene sequences, membrane lipids, psuedopetidoglycan in cell walls.

Answer 3

differences between bacteria and archea.

Question 4

(blank) is based on both the small subunit (SSU) 16S rRNA and genome sequences.

Answer 4

phylogeny

Question 5

Contains the smallest genome (0.49 Mb) among archea.

Answer 5

nanoarchea

Question 6

Nanoarchea only grows when attached to its…?

Answer 6

host

Question 7

What grows in a wide range of temperature and pH?

Answer 7

crenarchaeota

Question 8

What shows a greater range of metabolism?

Answer 8

euryarchaeota

Question 9

Live in permanently cold , near freezing water or in water.

Answer 9

pyschrophiles

Question 10

What generates a pH of zero and has no cell wall?

Answer 10

acidophiles

Question 11

The most extreme hyperthermophiles are (blank) adapted to grow near hydrothermal vents at the ocean floor.

Answer 11

barophiles

Question 12

The main inhabitants of salt loving bacteria are…?

Answer 12

haloarchaea, most are phototrophs