proteins produced by our bodies in response to a disease-causing
antibiotic— any substance
that kills bacteria.
that makes its own food
prokaryote organisms with a cell membrane and cytoplasm
that multiply by simple division.
bacterium— a single
binary fission— asexual
reproduction in which one cell divides into two identical
biology— the study
of living things.
chronic disease — a disease with lingering symptoms.
of food using the energy contained in inorganic molecules.
cytoplasm— the protoplasm,
or living material outside the nucleus of a cell.
that break down dead organic material.
of a disease in a community.
Escherichia coli (E. coli)— bacterium normally found in the large intestine
in humans, where it maintains health of the intestine
and makes vitamin K.
of disease and the body?s response to it.
lipid bilayer— cell
membrane made up of two layers of fat molecules and
organisms: bacteria, viruses, molds, fungus, yeast.
study of microbes.
nitrogen— gas in
the atmosphere that is a component of proteins.
microbes that transform nitrogen into ammonia to aid
that has spread worldwide.
process in food that prevents bacterial contamination.
that can cause a disease.
without a nucleus.
symbiosis— a relationship
between two organisms where one or both benefit.
vaccine— any preparation
of killed microorganisms or living weakened organisms
introduced into the body to produce immunity to a specific
disease by causing the formation of antibodies.