5: Membranes (part 1) Quizellenj2022-11-23T13:48:56-05:00 Please sign up for the course before taking this quiz. 1. How many different types of digestive enzymes might be in a lysosome?1 8 50 only one 3 2. What is the inside of a lysosome like?1 salty basic (alkaline) neutral acidic 3. An acid donates what to its environment?1 protons electrons hydroxide ions 4. What is the electrical charge of a phosphate ion?1 3+ 3- 1- 1+ 5. The Greek word for “dissolve or break apart” is:1 lys vacuus lipo soma 6. Which part of a phospholipid molecule loves water– the head or the tails?1 tails both neither head 7. As a general rule, can an enzyme do more than one job?1 No Yes 8. What geometric shape will phospholipids automatically form when put into a polar substance?1 circle flat sheet long line sphere 9. What important job does the lysosome do?1 Builds cell membranes. Stores fats and protein molecules. Transports things across the cell. Breaks down proteins, starches and fats so their parts can be recycled. 10. REVIEW: What does hydrophilic mean?1 water loving water hating 11. When a cell needs a bag to store or transport something, it uses a:1 lysosome phospholipid vesicle zipper-lock baggie 12. A lipsome that is filled with water or air is called a:1 vacuole lysosome membrane vesicle 13. REVIEW: Is water polar or non-polar?1 polar non-polar neither 14. REVIEW: A glycerol hanger with three fatty acids attached is called a:1 triglyderide phospholipid hydrophobic tail saturated fat 15. An empty phospholipid sphere is called a:1 liposome vesicle membrane lysosome 4: Lipids (part 2: Phospholipids) 6: Membranes (part 2: Membrane Transport) Back to: 5: Membranes (part 1)
