Cells

Question 1

What happens at the mitochondria ?

Answer 1

Mitochondria is where most of the reactions for respiration take place. This releases energy which the cell needs to work

Question 2

What happens at the ribosomes?

Answer 2

Ribosomes are where proteins are made in the cell. (Protein synthesis)

Question 3

What is the cytoplasm?

Answer 3

gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions.

Question 4

Why do plant cells have a rigid cell wall made of cellulose?

Answer 4

It supports the cell and strengthens it

Question 5

What does the permanent vacuole contain?

Answer 5

Contains cell Sap, a weak solution of sugar and salts

Question 6

describe chloroplasts

Answer 6

These are where photosynthesis occurs, which makes food for the plant. They contain a green substance called chlorophyll

Question 7

Yeast is a single-celled organism. What 4 features does it have?

Answer 7

Nucleus
Cytoplasm
Cell membrane
Cell wall

Question 8

Bacteria cells are single-celled microorganisms. What 3 features does it have?

Answer 8

Cytoplasm
Cell membrane
Cell wall

No nucleus

Question 9

Describe the nucleus

Answer 9

The nucleus contains genetic material that controls the activities of the cell