5: Membranes (part 1) Quizellenj2026-05-30T20:57:26-04:00 Please sign up for the course before taking this quiz. 1. A lysosome can have as many as ___ digestive enzymes?1 3 only one 8 50 2. An empty phospholipid sphere is called a:1 lysosome membrane liposome vesicle 3. What geometric shape will phospholipids automatically form when put into a polar substance?1 long line sphere circle flat sheet 4. What is the inside of a lysosome like?1 neutral salty acidic basic (alkaline) 5. The Greek word for “dissolve or break apart” is:1 soma vacuus lys lipo 6. When a cell needs a bag to store or transport something, it uses a:1 vesicle phospholipid lysosome zipper-lock baggie 7. REVIEW: A glycerol hanger with three fatty acids attached is called a:1 hydrophobic tail triglyderide saturated fat phospholipid 8. REVIEW: Is water polar or non-polar?1 non-polar polar neither 9. What important job does the lysosome do?1 Builds cell membranes. Stores fats and protein molecules. Breaks down proteins, starches and fats so their parts can be recycled. Transports things across the cell. 10. A lipsome that is filled with water or air is called a:1 lysosome membrane vacuole vesicle 11. As a general rule, can an enzyme do more than one job?1 No Yes 12. What is the electrical charge of a phosphate ion?1 1- 3- 3+ 1+ 13. REVIEW: What does hydrophilic mean?1 water hating water loving 14. Which part of a phospholipid molecule loves water– the head or the tails?1 tails head both neither 15. An acid donates what to its environment?1 protons hydroxide ions electrons 4: Lipids (part 2: Phospholipids) 6: Membranes (part 2: Membrane Transport) Back to: 5: Membranes (part 1)
