Identify the differences between a virus, bacteria, parasites, microscopic parasites, and prions.
a) Virus: Non-living, require a host, genetic material surrounded by a protein coat. Bacteria: Single-celled, prokaryotic organisms. Parasites: Organisms that live on or in a host organism. Microscopic parasites: Generally small organisms living inside a host. Prions: Misfolded proteins causing diseases.
b) Virus: Single-celled, prokaryotic organisms. Bacteria: Non-living, require a host, genetic material surrounded by a protein coat. Parasites: Organisms that do not require a host. Microscopic parasites: Generally large organisms living inside a host. Prions: Viral particles causing diseases.
c) Virus: Multi-cellular organisms, lack genetic material. Bacteria: Single-celled, eukaryotic organisms. Parasites: Non-living entities. Microscopic parasites: Large organisms living on the surface of a host. Prions: Unfolded proteins found in vaccines.
d) All are single-celled organisms with similar structures but different functions.