Cells

Question 1

Name the levels of organisation.

Answer 1

Atom
Molecules
Cells
Tissues
Organs
System

Question 2

Name the 4 componants of a cell.

Answer 2

Cell membrane, cell wall, cytoplasm, nucleus.

Question 3

Name the three organelles of a cell:

Answer 3

Mitocondrion, chloroplasts, vacule

Question 4

What is the functuon of the cell membrane?

Answer 4

Holds cell together-gives it shape.

Selectively permable (comtrols what goes in and out)

Question 5

What is the function of a cytoplasm?

Answer 5

Jellylike substance.
Holds all componants of the cell together.

Chemical reactions take place.

Question 6

What is the function of the nucleus?

Answer 6

Controls vital systems within the cell.

Involved in cell division.

Contains chromosomes which are mafe up of DNA.

Question 7

What is the function of Mitochondria?

Answer 7

Cellular respiration takes place.

Question 8

How does the vacule appear in plant cells?

Answer 8

One large vacule.

Question 9

How does the vacule appear in animal cells?

Answer 9

Small and numerous.

Question 10

What is the function of the vacule?

Answer 10

Fills with water, dissilved sugars and salts.

Stores substances.

Keeps plant cell firm/turgent.

Question 11

What is the function of the muscle cell?

Answer 11

Comtracts and relaxes causing movement.

Question 12

What is the function of the sperm cell?

Answer 12

Delivers DNA to the ovum forming a zygote.

Question 13

What is the function of the nerve cell?

Answer 13

Conducts electronic signals from the brain to the rest of the body and vice versa.

Question 14

What is the function of red blood cells?

Answer 14

Transports oxygen around the body, and carbon dioxide to the lungs to exhale.

Question 15

What is the function of epithelial cells?

Answer 15

They protect or cover something.