biology paper 1

Question 1

eukaryotic

Answer 1

a cell with a nucleus

Question 2

cell membrane

Answer 2

controls what enters and leaves and seperates one cell from another

Question 3

cytoplasm

Answer 3

contains a watery jelly and is where most of the cells activities occur

Question 4

mitochdrion

Answer 4

jelly-bean shaped structures in which aerobic resperation occurs

Question 5

nucleus

Answer 5

controls the cell and its activities

Question 6

chromosones

Answer 6

contain the cells DNA

Question 7

ribosomes

Answer 7

these make new protiens for a cell

Question 8

aerobic resperation

Answer 8

a chemical reaction that occurs in living cells when oxygen is present to break down food molicules and release energy

Question 9

cell wall

Answer 9

supports and protects the cell

Question 10

chloroplasts

Answer 10

contain chlorophyll which traps energy transferred from the sun

Question 11

chlorofyll

Answer 11

traps energy from the sun

Question 12

vacuole

Answer 12

this stores cell sap and helps keep the cell firm and rigid

Question 13

cell snap

Answer 13

a watery liquid stored in the vacuole of a plant cell