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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