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6. What is the order that organelles in animal cells are found in centrifugation?
- Nucleus, ribosomes, rough ER, smooth ER, mitochondria
- Nucleus, rough ER, smooth ER, mitochondria, ribosomes
- Nucleus, mitochondria, rough ER, smooth ER, ribosomes
- Nucleus, mitochondria, smooth ER, rough ER, ribosomes
7. What is a supernatant?
- Liquid left after centrifugation
- Solid left after centrifugation
- The apparatus used to separate organelles
8. How are red blood cells adapted for their purpose?
- Biconcave shape and no nucleus
- Red colour
- Small nucleus
- Flat shape
9. Why does centrifuge solution have to be isotonic?
- Speed up osmosis
- Prevent osmosis
- Denature enzymes
- Minimize cell activity
10. What is extracellular digestion?
- The process where cells digest bacteria
- The way bacteria digest food externally to reproduce
- A-sexual reproduction
11. What is an organ?
- A group of tissues with the same function
- A group of cells with the same function
- A system such as the digestive system
12. What is the purpose of a buffer?
- To slow down osmosis
- To control temperature
- To control PH
- To speed up osmosis
13. What are plasmids?
- DNA in plant cells
- Chromosomes in all cells
- Small loops of DNA in bacteria
- Chromosomes in bacteria
14. What is a eukaryotic cell?
- A large, complex cell -everything except bacteria
- A small, simple cell, such as bacteria
15. What is a prokaryotic cell?
- A small, simple cell such as bacteria
- A large, complex cell - everything except bacteria
16. What is homogenisation?
- Mashing and filtering cells to make organelles same consistency
- Mixing of cells
- Combining cells together in a centrifuge