Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Membranes & Receptors > 2 - Membrane Permeability/ Cell Volume and pH regulation > Flashcards

2 - Membrane Permeability/ Cell Volume and pH regulation Flashcards

1
Q

Discuss the properties of solutes which affect their movement through membranes. Distinguish passive diffusion, facilitated and active transport. Describe the general features of channel proteins

A

W

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

Compare the proposed transport mechanisms of the plasma membrane Na/K+-ATPase, the plasma membrane and sarcoplasmic reticulum Ca2+-ATPases, and the Na+/Ca++-exchanger in regulating ion concentrations inside cells

A

W

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

Describe the pumping of sugars, amino acids and ions by mammalian cells, using symports and antiports driven by the Na+ gradient. Understand the regulation of cytoplasm pH via the Na+/H+-exchanger and the Cl-/HCO3–exchanger

A

W

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

Discuss the principles of solute movement across biological membranes

A

W

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

Distinguish passive diffusion, facilitated transport and active transport across membranes

A

W

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

Define the terms uniport, cotransport, symport and antiport

A

W

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

Outline the major physiological roles of sodium-potassium ATPase (Na+-K+-ATPase, Na pump)

A

W

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

Outline the major physiological roles of plasma membrane Ca++ATPase (PMCA)

A

W

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

Outline the major physiological roles of Sarco(endo)plasmic reticulum ATPase (SERCA)

A

W

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

Outline the major physiological roles of sodium calcium exchange (NCX)

A

W

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

Outline the major physiological roles of sodium hydrogen exchange (NHX)

A

W

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

Outline the major physiological roles of anion exchange (AE)

A

W

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

Discuss how ion transporters work together in cell physiology

A

W

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

Discuss how ion transport contributes to control of resting intracellular Ca++ concentration

A

W

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

Discuss how ion transport contributes to cellular pH regulation

A

W

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

Discuss how ion transport contributes to cell volume regulation

A

W

17
Q

Discuss how ion transport contributes to renal bicarbonate reabsorption

A

W

18
Q

Discuss how ion transport contributes to renal Na+ handling

A

W

19
Q

Indicate the approximate volumes of fluid filled compartment in the body

A

W

20
Q

Describe important membrane transport mechanisms involved in the control of intracellular Na+, K+ and Ca++ concentrations

A

W

21
Q

Discuss how ion transport contributes to the regulation of cell volume

A

W

22
Q

Discuss how ion transport contributes to the regulation of intracellular pH

A

W

23
Q

Describe the transport of sugars and amino acids across mammalian cell membranes by passive and active trasporters in different tissues

A

W

Membranes & Receptors (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions