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Flashcards in Cell Physiology Deck (34):
1

Organelle for synthesis of proteins bound for cell membrane, lysosomes and outside of cell

rough endoplasmic reticulum

2

Organelle for synthesis of proteins bound for cytoplasm and mitochondria

free-floating ribosomes

3

Are proteosomes membrane-bound or not?

not membrane bound

4

Synthesizes hyaluronic acid and chondroitin sulfate

Golgi apparatus

5

only substance modified in rough endoplasmic reticulum and not Golgi apparatus

collagen

6

Added to lysosome-bound proteins by Golgi apparatus

mannose-6-phosphate

7

Microtublues: anterograde transport

kinesin

8

Microtublues: retrograde transport

dynein

9

exclusive biochemical pathways in mitochondria:

beta-oxidation, TCA cycle

10

back and forth waving

cilia

11

propeller or quasi-sinusoidal motion

flagella

12

Junctional complexes:
Divides cell into apical side and basolateral side
A. macula adherens (desmosomes)
B. zonula adherens (fascia adherens)
C. zonula occludens (tight junctions)
D. gap junctions

Zonula ocludens (tight junctions)

13

Junctional complexes:
For intercellular communication
A. macula adherens (desmosomes)
B. zonula adherens (fascia adherens)
C. zonula occludens (tight junctions)
D. gap junctions

Gap junctions

14

Junctional complexes:
For firm intercellular adhesions
A. macula adherens (desmosomes)
B. zonula adherens (fascia adherens)
C. zonula occludens (tight junctions)
D. gap junctions

Macula adheres (desmosomes)

15

Junctional complexes:
Increases surface area for contact
A. macula adherens (desmosomes)
B. zonula adherens (fascia adherens)
C. zonula occludens (tight junctions)
D. gap junctions

Zonula adherens (fascia adherens)

16

Functional unit of the gap junction

Connexon

17

Most abundant component of the cell membrane

Proteins

18

Glycolipid that anchors proteins to outer leaflet

Glyocyslphosphatidylinositol (GPI)

19

Electrostatic interactions: integral or peripheral proteins?

Peripheral proteins

20

Hydrophobic interactions: integral or peripheral proteins

Integral proteins

21

Important protein in phagocytosis

Clathrin

22

Important protein in exocytosis

SNARE proteins

23

Body fluid compartment: inulin
A. total body water
B. extracellular fluid
C. plasma

extracellular fluid

24

Body fluid compartment: deuterium oxide
A. total body water
B. extracellular fluid
C. plasma

total body water

25

Body fluid compartment: 124-I-labeled albumin
A. total body water
B. extracellular fluid
C. plasma

plasma

26

Body fluid compartment: antipyrine
A. total body water
B. extracellular fluid
C. plasma

total body water

27

Body fluid compartment: mannitol
A. total body water
B. extracellular fluid
C. plasma

extracellular fluid

28

An effective osmole is a PERMEANT/IMPERMEANT solute?

impermeant solute

29

Ca-ATPase pump in sarcoplasmic reticulum and endoplasmic reticulum

SERCA

30

CA-ATPase pump in cell membrane

PMCA

31

In all epithelial cells, Na-K-ATPase pump is found in the basolateral side except

choroid plexus

32

Reflection coefficient = 0

Permeable
Inefficient

33

Reflection coefficient = 1

Impermeable
Efficient

34

Will changing the concentration difference change the permeability?

No. Only flux. Flux = permeability x concentration difference