1
Q
what organisms are bacterias
A
microscopic single-celled
2
Q
what is their cell wall made of
A
peptidoglycan,
3
Q
instead of nucleus what do they have
A
circular chromosome of DNA
that floats in the cytoplasm
4
Q
whatare small rings of
DNA
A
Plasmids
5
Q
what do they lack
A
membrane-bound organelles
6
Q
tiny structures that can be free within the
cytoplasm or attached to a system of membranes within the
cell known as
A
Endoplasmic Reticulum
7
Q
Endoplasmic Reticulum are studded with
A
ribosomes
GRADE 9 Biology
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