Cells

Question 1

Function of a mitochondrion?

Answer 1

To produce energy FROM RESPIRATION

Question 2

Function of a ribosome?

Answer 2

To make proteins FROM AMINO ACIDS

Question 3

What is in a sap vacuole?

Answer 3

Sap: sugars/salts solution in water

Question 4

Function of cytoplasm?

Answer 4

Majority of chemical reactions take place

Question 5

Adaptations of a sperm cell and what does it do?

Answer 5

Tail - swim to egg; ‘neck’ with many mitochondria - to provide energy from respiration (potentially 3 marks); enzymes in the tip - dissolve egg cell membrane to enter

Question 6

Adaptations of a root hair cell and what does it do?

Answer 6

Hair-like structure - increase surface area to absorb more water/minerals; no chloroplasts - doesn’t have access to sunlight

Question 7

Adaptations of a red blood cell and what does it do?

Answer 7

No nucleus - more space to carry oxygen; concave shape for large surface area - absorb more oxygen