Quiz 3

Question 1

Fick’s Law

Answer 1

Rate of diffusion based on
-conc gradient
-permeability
-temp
-molec weight
-distance

Question 2

Types of channels

Answer 2

-Leaky
-ligand gated
-voltage gated
-mechanical

Question 3

Na+, K+, ATPase pump

Answer 3

-3 Na out, 2 K in, 1 ATP used
-constantly on
-used to maintain cell volume

Question 4

Exocytosis

Answer 4

Release substances into ECF by fusion of vesicles with cell membrane

Question 5

Layers of development

Answer 5

-endoderm (inner)
-mesoderm ( middle)
-exoderm (outer, origin of nervous system)

Question 6

Animal Definition

Answer 6

-blastula
-Collagen IV
-Neurons?
-multicellular
-Eukaryotic
-heterotrophic
-injestive
-no cell wall

Question 7

Tonicity

Answer 7

Solute conc effect on cell volume
-Hypotonic: [ICF] > [ECF] lyse
-Isotonic: [ICF] = [ECF] normal
-Hypertonic: [ICF] < [ECF]
crenated