Cells and cell structure

Question 1

What do animal cells contain? 5

Answer 1

• nucleus
• cell membrane
• cytoplasm
• ribosomes
• mitochondria

Question 2

What extra parts do plant and algal cells contain? 3

Answer 2

• cell wall
• chloroplasts
• vacuole

Question 3

Nucleus?

Answer 3

Contains DNA and controls cell activities.

Question 4

Cell membrane?

Answer 4

Controls what goes in and out of the cell.

Question 5

Cytoplasm?

Answer 5

Where chemical reactions take place.

Question 6

Mitochondria?

Answer 6

Produces energy from respiration.

Question 7

Ribosomes?

Answer 7

Make proteins from amino acids.

Question 8

Cell wall?

Answer 8

(Made from cellulose) - strengthens the cell.

Question 9

Chloroplasts?

Answer 9

(Contains chlorophyll) - absorbs light energy to make food.

Question 10

Vacuole?

Answer 10

Contains cell sap (sugars and salts).

Question 11

What are bacterial cells made up of? 3 (C-C-C)

Answer 11

• cytoplasm
• cell membrane
• cell wall

Question 12

Genes in a bacterial cell?

Answer 12

Not in a distinct nucleus (there is a loop of DNA called plasmids).

Question 13

What is yeast?

Answer 13

A single-celled organism.

Question 14

What do yeast cells contain?

Answer 14

All the features of an animal cell + cell wall.

Question 15

How are sperms specialised? 2

Answer 15

• lots of mitochondria

* a tail to swim to the egg

Question 16

How are root hair cell’s specialised?

Answer 16

Hair-like structure to increase surface area to absorb more water and minerals.

Question 17

How are red blood cells specialised? 2

Answer 17

• special shape to give it a large surface area to carry more oxygen
• no nucleus so more space to carry oxygen