B2.1 Cells and cell transport Flashcards
1
Q
Name 5 parts to an animal cell and their function
A
- CYTOPLASM: chemical reactions take place
- MITOCHONDRIA: energy is released through respiration
- NUCLEUS: contains genetic info/controls activities
- RIBOSOMES: where protein synthesis occurs
- CELL MEMBRANE: controls movement of substances in and out of the cell
2
Q
What is a cell wall made of?
A
Cellulose
3
Q
What does a cell wall do?
A
Strengthens the cell
4
Q
What does a bacterial cell consist of?
A
- Cytoplasm
- Membrane surrounded by a cell wall
5
Q
Are the genes of a bacterium in a distinct nucleus? (Yes/No)
A
No
6
Q
What does a yeast cell consist of?
A
- Nucleus
- Cytoplasm
- Cell membrane
- Cell wall
7
Q
In what way would a steep concentration gradient affect the rate of diffusion?
A
The greater the difference in concentration, the FASTER the rate of diffusion