Chapter 3 Flashcards
1
Q
Somatic cells
A
Body cells
2
Q
Sex cells
A
Sperm and egg
3
Q
Cytoplasm
A
Colloid material that fills spaces within cell
4
Q
Cell membrane created by
A
Phospholipid bilayer, proteins
5
Q
Simple diffusion
A
Net movement of particles from area of high to low concentration
6
Q
Factors affecting diffusion rates
A
Temp, molecular weight, steepness of concentration gradient, surface areas, permeability
7
Q
Osmosis
A
Diffusion of water
8
Q
Aquaporins
A
Channels proteins specialized for passage of water
9
Q
Tonicity
A
Ability of solution to affect fluid volume and pressure in an cell
10
Q
HYPOtonic
A
LOW concentration
11
Q
HYPERtonic
A
HIGH concentration
12
Q
ISOtonic
A
Equal