Exam 1: Chapter 1 Flashcards
(42 cards)
Microorganisms/ Microbes
All organisms are too small to be seen without a microscope.
Taxonomic system
A system used for naming plants and animals and grouping similar organisms together.
Viruses
tiny infectious a-cellular agent with nucleic acid surrounded by protein coat, can only be seen with a electron microscope
Bacteria
has cell walls that are composed of a polysaccharide called peptidoglycan.
Archaea
lack peptidoglycan in their cell walls
Prokaryotic
cells do not have nuclei to hold the DNA
Fungi
obtain their own food from other organisms and has cells walls
Eukaryotic
each cell contains a nuclei
Molds
multi cellular rod shaped fungi that reproduce sexually and asexually
Yeasts
unicellular and oval fungi that are typically oval to round that reproduce asexually
Protozoa
single celled eukaryotes that are similar to animals in needs and cell structure. Are also capable of locomotion
Algae
uni or multi-cellular photosynthetic organisms
Parasitic Worms
are microscopic at birth
Spontaneous Generation
creation of living matter from non living matter.
Scientific Method
provides a framework for conducting an investigation into phenomena
Theory
Why a phenomena happens
Laws
What phenomena happens
Control Groups
groups that are not given independent variables
Fermentation
formation of alcohol from sugar and other chemical reactions
Facultative Anaerobes
organisms that can live with or without oxygen
Pasteurization
heading grape juice just enough to kill most of
Industrial Microbiology
microbes are intentionally used to manufacture products
Enzymes
cell-produced proteins that promote chemical reactions
Biochemistry
the study of metabolism