Cells Flashcards
1
Q
Nucleus
A
controls cell activities
2
Q
Cytoplasm
A
most chemical reactions take place (including anaerobic respiration)
3
Q
Mitochondria
A
site of aerobic respiration
4
Q
Cell membrane
A
controls the transport of substances in and out of the cell
5
Q
Ribosomes
A
site of protein synthesis
6
Q
Chloroplasts
A
absorbs light energy to make food (only plant)
7
Q
Permanent vacuole
A
- filled with cell sap (water + salt) (only plant)
8
Q
Cell wall
A
protective and made of cellulose (only plant)
9
Q
What are cells?
A
- smallest unit that can live on its own
- makes up tissues
10
Q
What are the levels of organisation in a human?
A
- cell
- tissue
- organ
- organ system
- organism (the human)
11
Q
What is the purpose of the cell wall
A
Contains cellulose to provide strength and support to the plant.
12
Q
What is the purpose of the permanent vacuole
A
Contains cell sap to keep the cell firm
13
Q
What is the purpose of the chloroplasts
A
Contains a green pigment called chlorophyll in which photosynthesis occurs.
