Wk 1_Vid 11-12 Flashcards

1
Q

how many domains are prokaryotic cells divided into?

A

2

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

what are the 2 domains of prokaryotic cells?

A

bacteria (aka eubacteria)

archaea (extremophiles)

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

prokaryotic cells are small, but they are the dominant life forms on the planet in terms of ___ and ___

A

biomass

diversity

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

differences of prokaryotic structure from eukaryotic structure:

A
  • no nucleus
  • genetic material found in nucleoid
  • no internal membrane system
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

similarities of prokaryotic structure to eukaryotic structure:

A
  • have plasma membrane (phospholipid bilayer)
  • cytoplasm: a semi solid gel (cytosol) contains all the cell’s internal components
  • 1 organelle: ribosomes, the universal organelle, responsible for building proteins
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the structure of a prokaryotic cell?

A

pili (hair)

nucleoid (DNA)

ribosomes

capsule

cytoplasm

plasma membrane

cell wall

flagellum

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

describe eukaryotic cells and give examples

A

cells that contain a membrane-bound nucleus and an internal membrane system

animal cells, plant cells, fungal cells, protista cells

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

what is compartmentalization?

A

most distinctive feature of eukaryotic cells

compartments are membrane-bound

different compartments in a cell perform different functions

compartments are called “organelles”

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

what is the structure of an animal cell?

A

nucleus
nucleolus
nuclear envelope
plasma membrane
cytoplasm

end-membrane system (smooth endoplasmic reticulum (SER))

rough endoplasmic reticulum (RER)

ribosomes
Golgi apparatus
vesicles
mitochonrdion

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

structure of a plant cell (in addition to what animal cells have)

A

chloroplast

plasma membrane

cell wall

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

what is nuclear envelope?

A

a double lipid bilayer membrane that surrounds the nucleus (inner and outer bilayer)

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

describe the outer bilayer of the nuclear envelope

A

connected to the end-membrane system

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

describe nuclear pores of the outer bilayer in the nuclear envelope

A

passage thru the nuclear membranes that regulate transport

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

describe the nucleolus

A

an area in the nucleus where ribosome complexes are assembled

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

describe chromatin and its functions

A

DNA bound to proteins (histones)

stores genetic info, site of ribosome assembly, and RNA production

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