University:
Manchester University
Course:
BIOL 101 | General Biology
Academic year:

2020
Views:

430

Pages:

2
Author:

5CelestialChronicle

Honors Biology: Cell Transport Test MultipleChoice 1. __The form of transport in which molecules are moved down their concentration gradient is called: а) osmosis Ь) diffusion с) plasmolysis d) Isotonic 2. __The water in the sugar water solution displayed during class could also Ье called the: а) solvent Ь) element с) solute d) protein 3. __Which of the following provides energy to the sodium-potassium pump? а) Hydrogen Ь) NADH с) АТР d) СО2 4. Where does the Electron Transport Chain take place within the cell? а) in the matrix of the mitochondria Ь) on the inner membrane of the mitochondria с) in the cytoplasm of the cell d) in the nucleus 5. __Diffusion is what form of transport? а) active Ь) secured с) passive d) evasive 6. __The form of transport in which solvents are moved down their concentration gradient is called: а) osmosis Ь) diffusion с) palsmolysis d) isotonic ,./ 7. __А solution is considered to Ье hypertonic when it has_______ solute molecules than the inside of the cell. а) more Ь) more acidic с) less acidic d) less 8. __What would а unicellular organism living in ahypotonic environment need to do in order to survive? а) Ыосk off its cellular membrane Ь) depend оп something else for nutrients с) Ье аЫе to pump water out so it does not рор d) find а way to stay hydrated 9. __This form of passive transport must have caпier proteins in order to assist molecules through the membrane: а) ion channels Ь) osmosis с) Facilitated diffusion d) AandC 1О. __ How many potassium ions does the sodium-potassium pump transfer into the cell per cycle? а) 3 Ь) 450 с) 2 d) 15 11. __Facilitated diffusion helps molecules that are: а) too Ьig to fit through the memblane Ь) not аЫе to dissolve in the phospholipid Ьilayer с) going from а high concentration to а low concentration d) all of the previous answers 12. __ When the diffusion of molecules across а membrane comes to а stop because of equal concentrations of molecules оп botl1 sides of the membrane: а) the cell must find altemative forms of energy Ь) the solutions on each side of the membrane are in equilibrium с) the solutions are now hypertonic d) the solutions are now hypertonic

Cell Transport Test 22 Questions

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