AQA booklet

Question 1

nucleus

Answer 1

contains genetic material that controls the activities of the cell.

Question 2

cytoplasm

Answer 2

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

Question 3

cell membrane

Answer 3

holds the cell together and controls what goes in and out

Question 4

mitochondria

Answer 4

these are where most of the reactions for aerobic respiration takes place
- respiration transfers energy that the cell needs to work

Question 5

ribosomes

Answer 5

these are where proteins are made in the cell

Question 6

bacteria cell wall

Answer 6

• not made from cellulose
• made from peptidoglycan

Question 7

fungal cell wall

Answer 7

• not made from cellulose
• made from chitin

Question 8

cell wall

Answer 8

supports the cell and strengthens it

Question 9

plant cell wall

Answer 9

made from cellulose

Question 10

vacuole - plant

Answer 10

• the vacuole stores cell sap, which is weak solution of water, sugars, salts, and other substances.
• The water in the cell sap helps create pressure (turgor) for rigidity.

Question 11

chloroplast

Answer 11

• where photosynthesis occurs
• photosynthesis makes food for the plants
• they contain a green substance called chlorophyll

Question 12

chlorophyll

Answer 12

a green substance which absorbs the light needed for photosynthesis.

Question 13

plasmids

Answer 13

plasmids can carry extra genes, such as those for antibiotic resistance or metabolic functions. These genes can be transferred between bacteria, which is important in genetic engineering and bacterial adaptation.