Cells

Question 1

What are ribosomes?

Answer 1

This is where protein synthesis takes place.

Question 2

Name 3 things plant and algae cells have and animal cells do not

Answer 2

Cell wall
Chloroplasts with chlorophyll
Permanent vacuole

Question 3

Where is the genetic material stored in bacteria?

Answer 3

The cytoplasm, because bacteria do not have a nucleus.

Question 4

What is yeast?

Answer 4

A single-called organism

Question 5

What is in a yeast cell?

Answer 5

Nucleus
Cell wall
Cytoplasm
Cell membrane

Question 6

What is in a bacteria cell?

Answer 6

Cell membrane
Cytoplasm
Genetic material in the cytoplasm
Cell wall
Slime capsule
Plasmids
Flagella

Question 7

When are specialised cells made?

Answer 7

When an organism matures, each cell develops into a particular types.

Question 8

Why do muscle cells need a lot of mitochondria?

Answer 8

Mitochondria release energy which muscles need for movement.

Question 9

What is diffusion?

Answer 9

Diffusion is the spreading out of the particles of a gas, or any substance in solution.

Question 10

What determines the net movement of particle across a cell membrane?

Answer 10

The concentration on either side of the membrane.

Question 11

The greater the greater the difference in concentration in diffusion…

Answer 11

the faster the rate of diffusion.

Question 12

During the development of multicellular organisms…

Answer 12

the cells differentiate.

Question 13

Name 3 animal tissues

Answer 13

Muscular tissue
Glandular tissue
Epithelial tissue

Question 14

Name 3 plant tissues

Answer 14

Epidermal tissue
Mesophyll
Xylem and Phloem

Question 15

What does the muscular tissue do?

Answer 15

Contracts to bring about movement

Question 16

What does the glandular tissue do?

Answer 16

Produces substances such as enzymes or hormones

Question 17

What does the epithelial tissue do?

Answer 17

Covers some parts of the body.

Question 18

What does the epidermal tissue do?

Answer 18

Covers the plant

Question 19

What does the mesophyll tissue do?

Answer 19

Photosynthesise

Question 20

What do the xylem and phloem tissues do?

Answer 20

Transport substances around the plant

Question 21

What must the food you eat be changed from into?

Answer 21

Insoluble molecules into soluble molecules

Question 22

What is an organ system?

Answer 22

Groups of organs working together forms an organ system.

Question 23

Give some examples of plant organs

Answer 23

Stems
Leaves
Roots

Question 24

What are organs made of?

Answer 24

Several tissue types.

Question 25

What organisms can photosynthesis be carried out by?

Answer 25

Plants and algae

Question 26

What is the photosynthesis equation?

Answer 26

Carbon dioxide  (light energy)  glucose
       \+ water        ------------>  + oxygen

Question 27

What is released as a by product of photosynthesis?

Answer 27

Oxygen

Question 28

What is some of the glucose in photosynthesis converted into?

Answer 28

Insoluble starch for storage

Question 29

In photosynthesis, where is carbon dioxide taken in?

Answer 29

By the leaves

Question 30

In photosynthesis, where is water taken up?

Answer 30

By the roots

Question 31

In photosynthesis, what do the chlorophyll do?

Answer 31

Trap light energy needed for photosynthesis.

Question 32

What colour does iodine turn where starch has been made and photosynthesis has occurred?

Answer 32

Blue-black

Question 33

What is the mitochondria?

Answer 33

Where energy is released during aerobic respiration.