Cells and Tissues Flashcards
1
Q
Is a multicellular organism that contains a nucleus, extensive organelles and is about 10-40um in size.
A
Eukaryote
2
Q
Is a single celled organism, does not contain a nucleus, has no organelles but has a cell wall and a capsule. it is about 1-5um in size.
A
Prokaryote
3
Q
This is within the cell, it is a viscous fluid that contains water, ions and proteins and organelles are suspended in this fluid.
A
Cytosol/cytoplasm
4
Q
These have discrete structures that have a definitive function.
e.g. nucleus
A
Organelles
5
Q
What does the plasma membrane do?
A
- Defines boundaries
- Interaction with other cells
- Controls the flow od substances/is semipermeable
- Maintains cellular homeostasis
6
Q
Where in cells are receptors located?
A
In the plasma membrane
7
Q
What is the role of the nucleus?
A
It contains chromosomes that carry genetic information (DNA). It also has a nucleolus which carries RNA.
