Which of the following is the primary component of the plasma membrane? a. Chole

Question

Which of the following is the primary component of the plasma membrane? a. Cholesterol. b. Glycolipids. FIGURE 4.13 Generalized cell. d. Integral proteins 3 What are the three basic components of most cells? 4 Fill in the blanks: Diffusion is the movement of from a concentration to a concentration. Osmosis is the movement of from a concentration. concentration to a hich of the following factors influences the rate at which diffusion takes place? a. Size of the particles b. Temperature c. Steepness of the concentration gradient. d. All of the above. Cytology UNIT 4

Explanation / Answer

2 ans- phospholipids are the primary component of plasma membrane which are amphiphilic characters which means fatty acids tails are hydrophobic, phosphate head is hydrophilic.

3 ans-plasma membrane, cytoplasm and nucleus are the three basic components of the cell.

4 ans- Diffusion is the movement of molecule from a higher concentration to a lower concentration and osmosis is the movement of water ( lower concentration) to a higher concentration of solute through the semipermeable membrane.

5 ans-all of the above

High temperature diffused faster

Small particles diffused faster

High concentration gradient diffused faster

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