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- 1. Multiple Choice
In which of the following do molecules move from high to low concentrations?
Exocytosis
Endocytosis
Diffusion
Sodium/Potassium Pumps
- 2. Multiple Choice
Polypeptides are proteins made up of a chain of amino acid monomers. Polypeptide is which of the following?
Monomer
Amino Acid
Phospholipid
Polymer
- 3. Multiple Choice
A cell has 90% water and is placed in a beaker with 40% water. What will happen to the cell in this environment?
It will swell
It won't change
It will burst open
It will shrivel up
- 4. Multiple Choice
Which term means picky about what can and cannot enter?
Hydrophobic
Hydrophilic
Selectively Permeable
Phospholipid
- 5. Multiple Choice
Which of the following best describes the fatty acid tails of a phospholipid?
Nonpolar & Hydrophobic
Nonpolar & Hydrophilic
Polar & Hydrophobic
Polar & Hydrophilic
- 6. Multiple Choice
Food coloring spreading out into water molecules in a beaker would be an example of what?
Exocytosis
Osmosis
Diffusion
Endocytosis
- 7. Multiple Choice
Which structure is made up of proteins and lipids?
Cholesterol
Polypeptides
Cell Membranes
Hypertonic Solutions
- 8. Multiple Choice
Which process does NOT require energy?
Exocytosis
Passive Transport
Endocytosis
Active Transport
- 9. Multiple Choice
Which structure is required for a sodium/potassium pump to function?
Carrier Protein
Channel Protein
Peripheral Protein
Integral Protein
- 10. Multiple Choice
Which process uses a vesicle instead of a protein to move molecules into a cell?
Exocytosis
Facilitated Diffusion
Sodium/Potassium Pumps
Endocytosis
- 11. Multiple Choice
Saturated fats are straight and are solid at room temperature.
True
False
- 12. Multiple Choice
What is the purpose of cholesterol in the cell membrane?
Provides structure
Gives the cell fluidity
Turns the membrane into olive oil consistancy
All of the Above
- 13. Multiple Choice
Unsaturated fats are healthier and are liquid at room temperature.
True
False
- 14. Multiple Choice
Which term refers specifically to movement of water across a membrane?
Diffusion
Osmosis
Facilitated Diffusion
Passive Transport
- 15. Multiple Choice
What is letter D pointing at
Phospholipid
Integral Protein
Channel Protein
Receptor
- 16. Multiple Choice
What is letter B pointing at?
Phospholipid
Integral Protein
Phospholipid Bilayer
Receptor
- 17. Multiple Choice
What is letter E pointing at?
Phospholipid
Integral Protein
Channel Protein
Receptor
- 18. Multiple Choice
What is letter C pointing at?
Phospholipid
Integral Protein
Channel Protein
Phospholipid Bilayer
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