Topic B1 - Cell Biology

Question 1

What is isotonic?

Answer 1

If the concentration of solutes in the solution outside the cell is the same as the internal concentration, the solution is isotonic to the cell

Question 2

What is hypertonic?

Answer 2

If the concentration of solutes in the solution outside the cell is higher than the internal concentration, the solution is hypertonic to the cell.

Question 3

What is hypotonic?

Answer 3

If the concentration of solutes in the solution outside the cell is lower than the internal concentration, the solution is hypotonic to the cell

Question 4

What are all living things made up of?

Answer 4

Cells

Question 5

Cells can be either …………. or …………

Answer 5

1) Prokaryotic or eukaryotic

Question 6

………… cells are more complex and include all ………… and ………. cells

Answer 6

1) Eukaryotic

2) Animal and plant

Question 7

………. cells are ……….. and ……….., eg. ………….

Answer 7

1) Prokaryotic
2) Smaller and simpler
3) Bacteria

Question 8

A ………… is a prokaryotic cell

Answer 8

1) Procaryote

Question 9

What sub-cellular structure contains genetic material that controls the activities of the cell?

Answer 9

Nucleus

Question 10

What sub-cellular structure has a gel-like substance where most of the chemical reactions happen? (It also contains enzymes that control these chemical reactions)

Answer 10

Cytoplasm

Question 11

What sub-cellular structure holds the cell together and controls what goes in and out?

Answer 11

Cell membrane