Prokaryotic cells and viruses Flashcards
1
Q
Average of prokaryotic cells is…
A
1-5 micrometres
2
Q
Contains ribosomes…
A
70s.
3
Q
It does not have…
A
endoplasmic reticulum.
4
Q
Prokaryotes have very few…
A
organelles and no double membranes.
5
Q
In prokaryotes, cell…
A
wall is presented, which is strengthened with murein.
6
Q
What type of cell walls do prokaryotes have?
A
Peptidoglycan cell walls.
7
Q
Viruses do not have…
A
a cell structures.
8
Q
Viruses have a self-
A
replicating molecule of DNA or RNA, which acts as its genetic code.
9
Q
Viruses have a protective…
A
coat of protein molecules. This is called capsid.
10
Q
The capsid is made of…
A
separate proteins molecules, each of which is called a capsomere.
11
Q
Size of viruses is…
A
about 20-300nm.
12
Q
All viruses are…
A
parasitic.
