Infectious Agents

Question 1

Name 4 infectious agents

Answer 1

Virus
Bacteria
Fungus
Helminth Parasites

Question 2

Give some differences between eukaryotes and prokaryotes

Answer 2

Prokaryotes:
don’t have membrane bound organelles 
Haploid chromosomes 5
Not well defined cytoskeleton 
Cell wall = peptidoglycan
Smaller

Question 3

What is an obligate parasite?

Answer 3

Viruses as they use the host cells to replicate

Question 4

What is Protozoa?

Answer 4

Unicellular and eukaryotic
Replicated by binary fission
Acquire infection by ingestion or vector
E.g. plasmodium

Question 5

What is a helminth parasite?

Answer 5

Multicellular organism

Tape worm, round worm