Lecture 9 (27) : Bacteria and Archaea

Question 1

Bacteria

Answer 1

no nuclear envelope

cell wall

Question 2

Archaea

Answer 2

no outer coating (cell wall)
present at high temperature
specialized in almost any place

Question 3

Why are archaea and bacteria so successful?

Answer 3

Oldest life-forms

genetic variation

Question 4

Where does diversity come from?

Answer 4

mutations
rapid reproduction
adaptation

Question 5

Transformation

Answer 5

ldkd

Question 6

Transduction

Answer 6

Virus infections

taking genes from one bacterium to another

Question 7

Conjugation

Answer 7

joining to share genetic information

Question 8

Photoautotrophs

Chemoautotroph

Answer 8

light as energy
carbon dioxide as carbon source

inorganic chemicals as energy
carbon dioxide as carbon source

Question 9

heterotroph
photo
chemo

Answer 9

uses other organisms as carbon source
light as energy
inorganic compounds as energy

Question 10

what bacteria/archaea cant do?

why?

Answer 10

grow to larger sizes

lack of organelles to complete the necessary functions to distribute nutrients etc
volume to surface area