1 Cells And Organelles Flashcards
1
Q
What is the base of the cell attached to?
A
Extra cellular matrix
2
Q
What is the subunit of intermediate filaments?
A
Fibrous
3
Q
What is the subunit of microfilaments?
A
Actin
4
Q
What is the theory for eukaryotic cells?
A
Merge or invasion of prokaryotic cells
5
Q
In a cancer mass, what happens to the cells in the centre?
A
Stress and die and absorbing/secreting function is gone
6
Q
What is a cell?
A
The smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane
7
Q
Define oncogenes
A
Divide signals (cancer switches on)
8
Q
Define tumour suppressor genes
A
Don’t divide signal (cancer switches off)
9
Q
Cell diameter
A
10-50 micrometers
10
Q
Virus diameter
A
10nm
