Prokaryotic Cells

Question 1

What is the structure of bacteria?

Answer 1

Small in size —> 0.1-10 micrometers in length
Cell wall is made of murein
Many bacteria have a capsule
Contain smaller ribosomes
Genetic material is a circular strand of DNA
Contains plasmids
Cytoplasm that lacks membrane bound organelles

Question 2

What is the structure of viruses?

Answer 2

Acellular and non-living
20-300 nm
Contain nucleic acids (DNA and RNA)
Can only multiply inside living host cells
Nucleic acids enclosed in the capsid
Have attachment proteins on their exterior