Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Botanical Diversity > Prokaryotes/bacteria > Flashcards

Prokaryotes/bacteria Flashcards

1
Q

What is the evolutionary history of prokaryotes?

A

unknown

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the first step of prokaryotic origin?

A

organics form (lipids, DNA, etc.)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Who made the experiment showing organics forming?

A

Stanley Miller

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What makes organics form?

A

atmospheric gas, heat, and lightning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the second step of the prokaryotic origin?

A

phospholipids form spherical bilayers/membranes when mixed with water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What were the first prokaryotes considered?

A

membranes around RNA or DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is extant bacteria?

A

bacteria not yet extinct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are prokaryotic characteristics?

A

no nuclear envelope, no membrane bound organelles, no sexual reproduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How can prokaryotes reproduce?

A

exchanging DNA (plasmids) via conjugation tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the relationship between bacteria and DNA?

A

they can uptake, move around, produce, or replicate it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the two main types of bacteria?

A

true bacteria and archaebacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are true bacteria’s cell wall made of?

A

peptiglycans (nitrogen sugar)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is cyanobacteria?

A

blue green algae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the cyanobacteria’s thylakoid membranes?

A

invaginations of plasma membranes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What pigment does cyanobacteria have?

A

chlorophyll a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is in chlorophyll a?

A

carotene, xanthophyll, and phycocyanin (reflects blue)

17
Q

Cyanobacteria is covered in?

A

mucus

18
Q

What are the parts of cyanobacteria mucus?

A

sheath, slime layer, and the matrix

19
Q

What is the cyanobacteria mucus made of?

A

sugar polysaccharides

20
Q

What is cyanobacteria a principal component of?

A

phytoplankton

21
Q

What happens to cyanobacteria when around pollution?

A

rapid algae bloom

22
Q

Cyanobacteria is the first organisms to do what?

A

split water and emit oxygen

23
Q

What can UV light do?

A

cut DNA and convert oxygen to ozone (O3)

24
Q

What can O3 (ozone) do?

A

absorb UV light

25
Q

What is the most primitive bacteria type?

A

Archaebacteria

26
Q

Where do archaebacteria live?

A

harsh enviornments

27
Q

Do all bacteria have the same cell wall?

A

no, archaebacteria has different components

28
Q

Where can methane occur?

A

in mines with coal and oil, and inside intestines

29
Q

What do chemoautotrophic archeabacteria do?

A

it extracts e- from chemicals to add to CO2 (will make organics)

30
Q

What bacteria is near thermal vents?

A

sulfolobus bacteria

Botanical Diversity (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions