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Questions and Answers
What is the main constituent of vegetable oil and animal fats?
What is the main constituent of vegetable oil and animal fats?
- Phospholipids
- Membrane proteins
- Triglyceride (correct)
- Cholesterol
Which part of the phospholipids is hydrophobic and faces the inside of the cell membrane?
Which part of the phospholipids is hydrophobic and faces the inside of the cell membrane?
- Cholesterol molecules
- Polar heads
- Fatty acid tails (correct)
- Glycerol backbone
In cell membranes, where are membrane proteins predominantly located?
In cell membranes, where are membrane proteins predominantly located?
- Inside the cell
- In the cytoplasm
- Embedded in the lipid bilayer (correct)
- Attached to carbohydrates
Which lipid influences the fluidity of the cell membrane?
Which lipid influences the fluidity of the cell membrane?
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What is the primary function of carbohydrates in the cell membrane?
What is the primary function of carbohydrates in the cell membrane?
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Which part of the lipid bilayer is water soluble and faces the outside environment?
Which part of the lipid bilayer is water soluble and faces the outside environment?
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How do proteins act within the cell membrane?
How do proteins act within the cell membrane?
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What is the selective barrier property of the cell membrane called?
What is the selective barrier property of the cell membrane called?
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How do the protein components vary in different membranes?
How do the protein components vary in different membranes?
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Which lipid is most abundant in all cellular membranes?
Which lipid is most abundant in all cellular membranes?
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