Question

Question 72:
All of the following structures of bacteria
contain (or are made of) protein except
a. plasmids
b. ribosomes
c. pili
d. cell membrane
Choose correct option​

Answer 1

Answer:

d -cell membrane is the correct answer

Answer 2

the structures of bacteria that contain (or are made of) protein except is plasmids.

1. ribosomes are known as protein factory made up of ribosomal RNA molecule and protein.
2. plasmids do not contain protein but may help in protein coding.
3. pilli are hair like projections which acts as anchorage of bacteria to the certain surfaces or other cells . these are made up of pilin protein .
4. cell membrane of bacteria is comprised of phospholipids and about 60% of protein

hence, the correct option is a. plasmids