Unit 2 - Key Words 1, Cells the building blocks of Life

Question 1

contains the genetic material and controls the cell

Answer 1

nucleus

Question 2

where the chemical reactions take place

Answer 2

cytoplasm

Question 3

the layer around the cell that control substances entering and leaving the cell

Answer 3

cell membrane

Question 4

the structures in a cell that produce energy

Answer 4

mitochondria

Question 5

the tough outer layer of plant cells which gives support

Answer 5

cell wall

Question 6

contains the water and nutrients in a plant cell in the form of cell sap

Answer 6

vacuole

Question 7

the structure in plant cells where photosynthesis takes pace

Answer 7

chloroplast

Question 8

a specialised body cell that transmits messages around the body in the nervous system

Answer 8

nerve cell

Question 9

a specialised body cell that makes up muscle tissue

Answer 9

muscle cell

Question 10

a male reproductive cell of animals

Answer 10

sperm cell

Question 11

a female reproductive cell of an animals

Answer 11

egg cell

Question 12

a specialised plant cell on roots

Answer 12

root hair cell

Question 13

a unicellular (single celled) fungus

Answer 13

yeast

Question 14

one of a group of unicellular organisms that have no nucleus

Answer 14

prokaryote

Question 15

one of a group of unicellular organisms that have a nucleus

Answer 15

eukaryote

Question 16

a simple unicellular (single celled) organism, some of which can cause illness

Answer 16

bacterium

Question 17

a unicellular organism such as an amoeba or a paramecium

Answer 17

protozoa

Question 18

a simple sugar molecule

Answer 18

glucose

Question 19

the movement that causes particles in a liquid or gas to spread out evenly

Answer 19

diffusion

Question 20

the area on the outside surface of something

Answer 20

surface area

Question 21

the amount of space taken up by an object

Answer 21

volume