BSC 2085 CHAPTER 4 Quiz 1) During primary active transport Na+ are moved to the

Question

BSC 2085 CHAPTER 4 Quiz 1) During primary active transport Na+ are moved to the ees ot the cell 2) 3) while, K+ are moved to the d Resting membrane potential means that just inside the celi membrane is positive relative to just outside the cell membrane. (TRUE/FALSE) Oxygen and carbon dioxide move into and out of the cell by: of the cell. a. Facilitated diffusion b. Primary active transport c. Active transport d. Simple diffusion. 4) An erythrocyte is placed in a solution containing 0.9% NaCl, will shrink (TRUE/FALSE). 5) If your answer to question #4 is false, explain why. 6) The cell membrane maybe described as a 7) Which of the following make up the cytoplasm? bilayer. a. Cytosol b. Organelles c. Inclusions d. A, B, C e. None of the above 8) Facilitated diffusion requires the use of a protein and a concentration gradient TRUE/FALSE).

Explanation / Answer

1) Outside and inside

2) FALSE

3) d. Simple diffusion

4) False ( Because this solution is isotonic so no net influx or efflux of water occurs in the cell.

5) Because this solution is isotonic so no net influx or efflux of water occurs in the cell.

6) Lipid bilayer

7) d) A,B,C

8) TRUE

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