Lesson 8: Structural Components of the Cell Membrane and its Function
Quiz by Jerome Meñale
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- Q1
What is the primary structure of the cell membrane?
Phospholipid bilayer
Cholesterol molecules
Glycoproteins
Carbohydrate chains
20s - Q2
The "hydrophilic head" of a phospholipid is made of:
Protein channels backbone and Fatty acids
Glycerol backbone and phosphate group
Cholesterol backbone and phosphate group
Glycerol backbone and Fatty acids
20s - Q3
What type of transport moves substances down their concentration gradient without energy?
Osmosis
Diffusion
Facilitated diffusion
Active transport
20s - Q4
Which membrane protein assists large molecules like glucose to cross the cell membrane?
Channel proteins
Cholesterol
Integral proteins
Glycoproteins
20s - Q5
What role does cholesterol play in the cell membrane?
Acts as an energy source
Facilitates water transport
Forms hydrophilic heads
Provides fluidity and flexibility
20s - Q6
Which transport process requires ATP?
Osmosis
Active transport
Diffusion
Facilitated diffusion
20s - Q7
The diffusion of water across a semipermeable membrane is called:
Diffusion
Facilitated diffusion
Osmosis
Active transport
20s - Q8
Which statement is true for isotonic solutions?
Diffusion
Active transport
Osmosis
Facilitated diffusion
20s - Q9
Endocytosis is an example of:
Active transport
Diffusion
Osmosis
Bulk transport
20s - Q10
What happens to an animal cell in a hypertonic solution?
It swells.
It bursts.
It remains unchanged.
It shrinks.
20s - Q11
Which components are found in the cell membrane?
A. Phospholipids B. Proteins C. Carbohydrates D. DNA
A, B, C,
A, C, D
B, C, D
A, B, D
20s - Q12
Which processes are types of passive transport?
A. Diffusion B. Active transport C. Osmosis D. Facilitated diffusion
A, B, D
A, B, C,
B, C, D
A, C, D
20s - Q13
Active transport requires: A. ATP B. Concentration gradient C. Carrier proteins D. Osmosis
A, B, D
A, C, D
A, B, C,
B, C, D
20s - Q14
What are examples of bulk transport? A. Endocytosis B. Exocytosis C. Diffusion D. Facilitated diffusion
A, D
A, B,
C, D
B, C,
20s - Q15
Functions of the cell membrane include: A. Transport of materials B. Enzymatic activity C. Communication with other cells D. Replication of DNA
A, B, D
A, C, D
A, B, C,
B, C, D,
20s