1.2 Prokaryotic Cells Flashcards
1
Q
do they have nucleus?
A
no
2
Q
how is DNA found?
A
in a region of the cytoplasm = nucleoid
3
Q
what shape is their DNA
A
circular and “naked”
4
Q
What is a plasmid
A
small circular pieces of DNA containing additional genes
5
Q
do they contain membrane bound organelles?
A
no.
no mitochondria
6
Q
what is the cell wall made of
A
murein
7
Q
what does bacteria have to help it move around?
A
flangellum
8
Q
name a eukaryotic cell with a flangellum
A
sperm
9
Q
what are pili
A
Thin protein tubes attached to the plasma membrane.
10
Q
What are pili for
A
sticky to allow bacteria (E.coli) to stick to a surface of another cells plasma membrane
11
Q
what is the slimy capsule coating the bacteria for
A
- protection against drying out
- slippery to stop phagocytes from engulfing them
