31. Examine the figure below. This process can best be described as A) diffusion

Question

31. Examine the figure below. This process can best be described as A) diffusion. B) facilitated diffusion. C) passive transport. D) active transport E) cotransport. 32. An animal cell with an internal solute concentration of 0.02 OsM is placed in a test tube containing a solution with a solute concentration of 0.10 OsM. What will happen to the cell? A) nothing-it will stay the same size B) the cell will shrink as water moves out of the cell C) the cell will swell as water moves into the cell D) the cell will burst E) none of the above 33. Cystic fibrosis is caused by a defect in which of the following transport proteins? A) aquaporin B) Na"-K pump/ATPase C) CFTR D) Na/glucose co-transporter E) ouabain 34. Which of the folowing organelles/cell structures is NOT surrounded by a double membrane? A) mitochondrion B) chloroplast C) nucleus D) lysosome E) none of the above 35. Which of the following organelles is important for lipid synthesis and detoxification of the cel? A) smooth ER B) ribosome C) rough ER D) Golgi E) lysosome

Explanation / Answer

31. Option d is correct. The figure shows active transport as it involves the use of ATP

33. Option C is correct. Cystic fibrosis is caused by the defect in CFTR proteins.

34. Option d is correct. Lysosomes have single membrane.

35. Option a is correct. Smooth ER is involved in lipid synthesis and detoxification of the cell.

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