Prokaryotes

Question 1

where are prokaryotes?

Answer 1

everywhere

Question 2

prokaryotes exist almost everywhere, including places where __________ ______

Answer 2

eukaryotes cannot

Question 3

biomass of prokaryotes outweighs all eukaryotes combined by at least ___

Answer 3

10x

Question 4

prokaryotes break down __________________ in dead plants and animals

Answer 4

organic material

Question 5

prokaryotes release ___ used by plants

Answer 5

CO2

Question 6

prokaryotes make ___________ available to most life forms

Answer 6

nitrogen(N)

Question 7

O2 in the atmosphere came from ____________________

Answer 7

photosynthetic bacteria

Question 8

prokaryotes are both ___________ and __________ to humans

Answer 8

beneficial and harmful

Question 9

prokaryotes are important to produce some ______

Answer 9

foods

Question 10

prokaryotes cause _________ in industry

Answer 10

chemical reactions

Question 11

prokaryotes are used for _________________ products

Answer 11

pharmaceutical

Question 12

Prokaryotes cause ______________ of polluted sites

Answer 12

bioremediation

Question 13

what do all living things have in common?

Answer 13

1. dna
2. ribosomes
3. plasma membrane

Question 14

what is unique about domain eukarya?

Answer 14

1. nucleus
2. membrane bound organelles

Question 15

smaller, simpler than eukaryotes

Answer 15

prokaryotic genomes

Question 16

prokaryotes have _______ as much dna as a eukaryote

Answer 16

1/1000

Question 17

__________ genes vs. 50,000 in eukaryotes

Answer 17

5,000

Question 18

dna condensed in __________ of cytoplasm

Answer 18

nucleoid region

Question 19

nucleoid region is similar to a nucleus, but _____________

Answer 19

no membrane

Question 20

characteristics of prokaryotic genomes

Answer 20

1. singular
2. circular
3. double-stranded dna chromosome

Question 21

prokaryotes grow and adapt _________

Answer 21

rapidly

Question 22

reproduce mostly asexually via ___________________

Answer 22

binary fission

Question 23

prokaryotes do not undergo ____________

Answer 23

meiosis

Question 24

a single cell in favorable conditions will produce ______________

Answer 24

a colony of offspring

Question 25

process of binary fission in prokaryotes

Answer 25

1. circular chromosome replicates 2. copies of dna separate as cell enlarges 3. plasma membrane and cell wall separate into two cells

Question 26

when conditions are unfavorable, some bacteria form ____________ in ___________ conditions

Answer 26

endospores dormant