Cell Membrane Function

(Cell Membrane Function: Question 6) The relative concentration of water in a hypotonic solution is: A. high B. low C. equal D. stable

A

(Cell Membrane Function: Question 12) Homeostasis is the maintenance of a _____ internal environment by the body. A. changing B. constant C. dynamic

B

(Cell Membrane Function: Question 7) The relative concentration of water in a hypertonic solution is: A. high B. low C. equal D. stable

B

(Cell Membrane Function: Question 5) Which way will water flow for the following external solutions? hypertonic: _____ the cell A. into B. out of hypotonic: _____ the cell A. into B. out of

B and A

(Cell Membrane Function: Question 2) A membrane which limits the type of molecules which will pass through it is called _____. A. impermeable B. permeable C. semipermeable

C

(Cell Membrane Function: Question 10) Match the following: 1. higher salt concentration than inside the cell: _____ 2. lower salt concentration than inside the cell: _____ 3. same salt concentration as inside the cell: _____ 4. cell bursts: _____ 5. cell shrinks: _____ 6. cell stays the same: _____ 7. allows all substances to pass through: _____ 8. allows some substances to pass through; excludes others: _____ A. hypertonic solution B. hypotonic solution C. isotonic solution D. permeable membrane E. semipermeable membrane (These are the possible answers for all eight blanks) (Bio Study Stuff PowerPoint)

A, B, C, B, A, C, D, and E

(Cell Membrane Function: Question 11) If you have two solutions separated by a semipermeable membrane, one having a 7 % concentration of salt in water and the other having a 12 % solution of salt in water, the water will flow from the side with the _____ % solution to the side with the _____ % salt solution. 1. A. 7% B. 12% 2. A. 7% B. 12%

A and B

(Cell Membrane Function: Question 9) If you were stranded on the ocean in a raft, what would happen if you kept drinking ocean water? (Select all that apply) A. your blood would become hypotonic B. your blood would become hypertonic C. the concentration of water in your blood would increase D. the concentration of water in your blood would decrease E. water would flow out of your body cells F. the excess water would flow into your cells

B, D, and E

(Cell Membrane Function: Question 3) The passage of water through a semipermeable membrane is called _____. A. active transport B. diffusion C. osmosis

C

(Cell Membrane Function: Question 8) The relative concentration of water in an isotonic solution is: A. high B. low C. equal D. stable

C

(Cell Membrane Function: Question 13) (True or False) An example of homeostasis in the human body is the glucose, pH, and CO 2 concentration in the blood being kept constant.

T