cells and tissues

Question 1

What is a nucleus?

Answer 1

Contains genetic material that controls cell’s activity

Question 2

What is cytoplasm?

Answer 2

Jelly-like liquid inside the cell where many chemical reactions take place

Question 3

What does the cell membrane do?

Answer 3

Outer surface of cell, controls what enters and leaves the cell

Question 4

What are mitochondria?

Answer 4

Found in cytoplasm of animal cells, reactions for respiration take place here

Question 5

What are ribosomes?

Answer 5

Found in cytoplasm of animal cells, where proteins are made

Question 6

What are chloroplasts?

Answer 6

Found in plant cells, contain chlorophyll. Where photosynthesis takes place

Question 7

What is chlorophyll?

Answer 7

Green substance needed for photosynthesis, found in chloroplasts

Question 8

What is a vacuole?

Answer 8

Found in centre of plant cells, contains cell sap

Question 9

What is the function of a cellulose cell wall?

Answer 9

Found in plant cells only; keeps cell rigid

Question 10

What are cone cells?

Answer 10

Receptors in retina of eye, responsible for colour vision

Question 11

What are root hair cells?

Answer 11

Long cells on plant roots, big surface area to absorb water and minerals using active transport

Question 12

How are sperm cells adapted for their purpose?

Answer 12

Adapted for reproduction; long tail and streamlined head help them swim

Question 13

How are red blood cells adapted for their purpose?

Answer 13

Adapted to carry oxygen; concave shape so big surface area (no nucleus)