memb class test

memb class test

9 Qs

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memb class test

memb class test

Assessment

Quiz

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Medium

Created by

Dr Varadarajan

Used 3+ times

FREE Resource

9 questions

Show all answers

1.

OPEN ENDED QUESTION

30 sec • Ungraded

name

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

30 sec • Ungraded

reg no

Evaluate responses using AI:

OFF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Which of the following is the most abundant lipid found in the plasma membrane?
a) Sphingolipids
b) Cholesterol
c) Phospholipids
d) Glycolipids

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of cholesterol in the plasma membrane?
a) It acts as a carrier protein for transport.
b) It stabilizes the membrane's fluidity across temperature ranges.
c) It binds to glycolipids for cell signaling.
d) It facilitates passive diffusion of ions.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In biological membranes, the hydrophobic tails of phospholipids are composed of:
a) Glycerol and phosphate groups
b) Fatty acid chains
c) Sphingosine backbone
d) Carbohydrate moieties

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements about membrane proteins is true?
a) Integral proteins are only found on the inner surface of the membrane.
b) Peripheral proteins are embedded within the lipid bilayer.
c) Integral proteins span across the membrane, often functioning as channels.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Glycolipids in the plasma membrane are primarily located:
a) On the inner leaflet of the bilayer
b) On the outer leaflet of the bilayer
c) Equally distributed between inner and outer leaflets
d) Within membrane protein channels

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following phospholipids is predominantly located on the inner leaflet of the plasma membrane?
a) Phosphatidylserine
b) Phosphatidylcholine
c) Sphingomyelin
d) Glycolipids

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following molecules can freely diffuse across the lipid bilayer without the need for transport proteins?
a) Glucose
b) Na+ ions
c) O2 and CO2
d) Amino acids