prokaryotic cells and viruses

Question 1

capsule

Answer 1

protects bacterium from other cells and helps groups of bacteria to stick together for further protection

Question 2

food reserves

Answer 2

glycogen granules and oil droplets

Question 3

viruses

Answer 3

contain nucleic acids, but can only replicate inside living host cells
have a protein capsid coat or a lipid envelope with attatchment proteins