Topic 1- Key Concepts In Biology-part 1

Question 1

Give the subcellular structures (different parts) of an animal cell.

Answer 1

Nucleus 
Mitochondria 
Cytoplasm 
Cell membrane 
Ribosomes

Question 2

What’s a nucleus

Answer 2

Contains the genetic material that controls the activities of the cell. Genetic material is arranged into chromosomes.

Question 3

What’s mitochondria

Answer 3

Where most of the reactions for aerobic respiration take place.
Respiration transfers energy that the cell needs to work.

Question 4

What’s Cytoplasm

Answer 4

A gel-like substance where most of the chemical reactions take place. Contains enzymes that control these chemical reactions.

Question 5

What’s a cell membrane

Answer 5

Holds the cell together and controls what goes in and out.

Question 6

What’s ribosomes

Answer 6

Involved in the translation of genetic material in the synthesis of proteins.

Question 7

Eukaryotic cells

Answer 7

Complex. Include all animal and plant cells.

Question 8

Prokaryotic cells

Answer 8

Smaller and simpler. E.g. bacteria