2.1 prokaryotes

Question 1

prokaryote kingdoms (2)

Answer 1

eubacteria and archaea

Question 2

prokaryote facts

Answer 2

found everywhere
not a lot of identified species
some cause disease or infection
some are beneficial

Question 3

3 benefits or prokarya

Answer 3

food
medicine
decomposers

Question 4

evolution of prokaryotes

Answer 4

approx 3.5 billion years ago prokaryotes appeared

Question 5

shapes of prokaryotes (3)

Answer 5

coccus
bacillus
spirillum

Question 6

arrangements of prokaryotes (3)

Answer 6

diplo
strepto
staphylo

Question 7

metabolism of prokaryotes

Answer 7

can be autotrophic heterotrophic or hemotrophic

Question 8

hemotrophic def

Answer 8

getting food from chemicals

Question 9

obligate aerobe def

Answer 9

prokaryote that requires O2

Question 10

obligate anaerobe def

Answer 10

prokaryote that doesn’t requires O2

Question 11

facultative aerobe def

Answer 11

prokaryote that can survive with or without O2

Question 12

reproduction of prokaryotes

Answer 12

asexual or sexual (binary fission or conjugation)

Question 13

binary fission

Answer 13

parent cell grows and duplicates dna then splits into two identical to the parent daughter cells

Question 14

conjugation

Answer 14

form of sexual reproduction that includes exchanging genetic information

Question 15

transformation in prokaryotes

Answer 15

picking up a loose fragment of DNA from the surrounding environment

Question 16

Horizontal gene transfer

Answer 16

picking up new DNA from a different species

Question 17

2 ways prokaryotes increase survival

Answer 17

endoscope
antibiotic resistance

Question 18

endoscope

Answer 18

highly resistant structures that surround the genetic material of a bacterial cell. the cell remains dormant

Question 19

antibiotic resistance

Answer 19

natural selection results in more resistant bacteria to antibiotics

Question 20

archaea facts (3)

Answer 20

discovered 50 years ago
not well studied
cell wall does not contain peptidoglycan

Question 21

all types of archaea (5)

Answer 21

thermophiles - hot
psychrophiles - cold
halophiles - salty
acidophiles - acidic
methanogens - low on O2 high on methane