Cytology

Question 1

Nucleus

Answer 1

The brain of the cell.
Controls all activity in the cell.
Inside is nuclear plasma.
Contains chromatin network{chromosomes-46} made of DNA

Question 2

Cytoplasm

Answer 2

Jelly-like substance that fills the cell and suspends the organelles, made of water, salts, and proteins.

Question 3

Cell membrane

Answer 3

Gate-keeper

surrounds all cells and controls the movement of substances into and out the cell, made up of protein and fat molecules.

Question 4

Mitochondrion

Answer 4

The powerhouse of the cell
In all cells and it releases energy from the food we eat, glucose is required or fats and creates CO2.
Cellular respiration.

Question 5

Cell wall (plant cell)

Answer 5

A rigid, strong structure on the outside is made of cellulose which is the fibre in our diet.
Protects the cell and gives it shape.

Question 6

Vacuoles

Answer 6

A large or small temporary organelle that stores water and other dissolved substances.
(plant) When it is full of water it is firm, Turgid, when it has shrunk, Flaccid.

Question 7

Chloroplasts

Answer 7

The process of Photosynthesis takes place in these.
absorbs radiant energy.
Contain Chlorophyll, the green pigment.