1.1 - Animals and plant cells Flashcards
What are all living things made from?
Cells
What can cells be seen with?
Microscopes
What types of microscopes are used in schools?
Light microscropes
What do electron microscopes do?
Magnify things thousands of times larger
What five things do most human and animal cells contain?
1) A nucleus
2) Cytoplasm
3) A cell membrane
4) Mitochondria
5) Ribosomes
What is the function of a nucleus?
Controls the cell’s activities
What is the function of the cytoplasm?
Where chemical reactions take place
What is the function of the cell membrane?
Controls the movement of materials in and out of the cell
What is the function of the mitochondria?
Where energy is released during aerobic respiration
What is the function of ribosomes?
Where protein synthesis takes place
What are three features of plant and agal cells which are not found in animal cells?
1) Rigid cell wall
2) Chloroplasts
3) Permanent vacuole
What is the function of a cell wall?
They are made of cellulose, and support the cell
What is the function of chloroplasts?
They contain chlorophyll for photosynthesis, and absorb light energy to make food
What is the function of the permanent vacuole in plants?
Contains cell sap
What are algae?
Simple aquatic organisms with many similar features to plant cells