Chapter 3.2 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

active mechanisms that require cell energy

A

active transport, endocytosis, exocytosis, transcytosis

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

passive mechanisms that do not require cell energy

A

simple diffusion, facilitated diffusion, osmosis, filtration

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

ability of osmosis to generate enough pressure to move a volume of water

A

osmotic pressure

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

osmotic pressure increases as…

A

the concentration of nonpermeable solutes increases

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

same osmotic pressure

A

isotonic

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

higher osmotic pressure (water loss)

A

hypertonic

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

lower osmotic pressure (water gain)

A

hypotonic

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

another passive process of moving material through a cell
membrane

A

filtration

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

type of gradient diffusion and osmosis rely on

A

concentration gradient

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

type of gradient diffusion filtration uses

A

pressure gradient

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

movement in filtration

A

molecules will move from an area of higher pressure
to an area of lower pressure. Filtration is non-specific.

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

the movement of dissolved molecules into or out of a cell through the cell membrane, from a region of lower concentration to a region of higher concentration.

A

active transport

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

cell engulfs a substance by forming a vesicle around the
substance

A

endocytosis

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

three types of endocytosis

A

pinocytosis (mostly water) , phagocytosis (mostly solid), receptor-mediated endocytosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  • substances in a vesicle fuse with
    cell membrane
  • contents released outside the
    cell
  • release of neurotransmitters
    from nerve cells
A

exocytosis

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

a type of transcellular transport in which various macromolecules are transported across the interior
of a cell. macromolecules are captured in vesicles on one side of the cell, drawn across the cell, and ejected on the other side.

A

transcytosis

17
Q
A