Cells

Question 1

What substance is a yeast cell wall made of?

Answer 1

Cellulose

Question 2

Which structure found in a yeast cell would also be found in a prokaryotic cell?

Answer 2

cell membrane

Question 3

describe three features of a bacterial cell

Answer 3

no nucleus instead has chromosomal DNA, has a cell wall, no mitochondria

Question 4

What is the function of the sperm cell head?

Answer 4

to break through egg membrane

Question 5

What is the function of the sperm cell middle piece?

Answer 5

Contains the mitochondria, where respiration happens

Question 6

What is the function of the sperm cell tail?

Answer 6

allows it to swim

Question 7

How is the structure of the motor neurone adapted to its function?

Answer 7

The myelin sheath helps insulate it, the axon is short so the nerve impulse can reach the muscle fibres quicker.

Question 8

What are the benefits of embryonic stem cells?

Answer 8

they have the ability to produce any type of cell, less chance of patients rejecting their own cells.

Question 9

What are the disadvantages of embryonic stem cells?

Answer 9

There is a risk of the stem cells turning into cancer cells, the longterm effects of stem cell therapy are still unknown.