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6. What is active transport?
- Process by which molecules move across a cell from a lower to a higher concentration
- Process by which dissolved molecules move across a cell membrane from a lower to a higher concentration
- Process by which dissolved molecules move across a cell membrane from a higher to a lower concentration
7. What does the mitochondria do?
- It controls what goes in/out of the cell
- Aerobic respiration takes place here
- Protein synthesis takes place here
8. What does an axon do?
- It helps the nerve cell move around
- It carries the nerve impulse from one place to another
- It connects the nerve cells
9. What does the sperm cell not have?
- Acrosome
- Tail
- Axon
- Nucleus
10. Which one of these is part of diffusion?
- High concentration to low concentration
- Low concentration to high concentration
- No concentration
11. What is an eukariotic cell?
- Plasmid
- Animal and plant cells
- Bacteria
12. What's one feature of a root hair cell?
- It doesn't have a nucleus
- It has a big surface area
- It has a big cell wall
- It doesn't have a vacuole
13. What is osmosis?
- Water moves across from one place to another
- Water moves across a partially permeable membrane from a concentrated solution to a dilute solution
- Water moves across a partially permeable membrane from a dilute solution to a concentrated solution
- Minerals move across a partially permeable membrane from a concentrated solution to a dilute solution