MCQs on Plasma Membrane

Quiz
•
Others
•
9th Grade
•
Easy

Anonymous Anonymous
Used 4+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The plasma membrane is primarily composed of:
Proteins and carbohydrates
Lipids and proteins
DNA and proteins
Nucleotides and carbohydrates
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The lipid bilayer of the plasma membrane is formed by:
Cholesterol molecules
Phospholipids
Glycolipids
Proteins
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which part of a phospholipid is hydrophilic?
Fatty acid tail
Glycerol backbone
Phosphate head
Entire molecule
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the role of cholesterol in the plasma membrane?
Provides energy
Increases fluidity and stability
Forms a channel for ion transport
Produces ATP
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The plasma membrane is selectively permeable, meaning it:
Allows all substances to pass through
Blocks all substances from passing through
Regulates the movement of substances into and out of the cell
Is impermeable to water
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The primary function of membrane proteins is to:
Store genetic material
Transport molecules and act as receptors
Produce energy
Break down waste
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a function of glycoproteins in the plasma membrane?
Structural support
Cell recognition and signaling
Transport of ions
Lipid synthesis
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