Cells

Question 1

What is a cell

Answer 1

A cell is the basic structural and functional unit of life for all living things. It can only be seen through a microscope.

Question 2

What is the membrane?

Answer 2

Surrounds the cell; controls what enters and leaves the cell; thin living and pliable

Question 3

What is the cytoplasm?

Answer 3

Is a liquid in which metabolism takes place in the cell

Question 4

What is the nucleus?

Answer 4

Surrounded by nuclear membrane. Contains the DNA which carries the generic code and hereditary characteristics. The nucleus controls the functions and processes of the cell.

Question 5

What are the organelles?

Answer 5

1. Mitochondria
2. Vacuoles
3. Chloroplast

Question 6

What are the differences between plant and animal cells?

Answer 6

Cell wall - present in p.c, not a.c
Shape - p.c has a fixed shape, a.c has no fixed shape
Vacuole - p.c has a large vacuole, a.c has a small or no vacuole.
Only the p.c has chloroplasts

Question 7

Function of the cell wall

Answer 7

Gives the shape of the cell and provides protection

Question 8

Function of the cell membrane

Answer 8

Control what enters and leaves the cell

Question 9

Function of the vacuole

Answer 9

Used as a storage for water, nutrients and some waste products. Also give shape.

Question 10

Function of the chlorplast

Answer 10

Contains chlorophyll, allowing photosynthesis

Question 11

Function of the mitochondria

Answer 11

Responsible for respiration (powerhouse)

Question 12

Function of the nucleus

Answer 12

Controls all cell activitiy

Question 13

Function of nucleus

Answer 13

Controls all cell activity