Problem 11
Immerse a human red blood cell in a hypotonic solution, and water __________. a. diffuses into the cell b. diffuses out of the cell c. shows no net movement d. moves in by endocytosis
Problem 12
Internal fluid pressure against a cell wall or membrane is called ___________. a. osmosis b. turgor pressure c. diffusion d. osmotic pressure
Problem 13
A transport protein requires ATP to pump sodium ions across a membrane. This is a case of __________. a. passive transport b. active transport c. facilitated diffusion d. osmosis
Problem 14
Vesicles form in ___________. a. endocytosis b. exocytosis c. phagocytosis d. all of the above
Problem 15
$$ \text {reactant } \quad \quad \text {a. assists enzymes} $$ $$ \text {phagocytosis} \quad \quad \text {b. forms at reaction's end} $$ $$ \text {first law of thermodynamics} \quad \quad \text {c. enters a reaction} $$ $$ \text {product} \quad \quad \text {d. currency in a cell's energy economy} $$ $$ \text {cofactor} \quad \quad \text {e. one cell "eats" another} $$ $$ \text {concentration gradient} \quad \quad \text {f. energy cannot be created or destroyed} $$ $$ \text {passive transport} \quad \quad \text {g. motivates diffusion} $$ $$ \text {cyclic pathway} \quad \quad \text {h. no energy input required} $$ $$ \text {ATP} \quad \quad \text {i. goes in circles} $$