Nelson Biology 11 Chapter 2 (Bacteria & Protists)

Infectious Bacteria

Relationship between two species that live close to each other, both benefiting from the interaction

small loop of DNA that usually contains a small number of genes

A dye used to identify gram-positive and gram-negative bacteria

Can produce their own food

Must get their nutrients rom other living organisms and remains

Nucleic acid found in some cells and viruses, carries genetic information

small, non-living particle

protein coat that surrounds DNA or RNA of a virus

Virus that infects bacterial cells

Opening of the cell, viruses are released from the host cell

Treatment of disease using viruses

Small, infectious pieces of RNA that harm plants

Abnormally shaped infectious proteins that harm animals

When one type of cell lives within another type of cell