Microbiology - chapter 3 vocabulary
vocabulary
vocabulary
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Flashcards
Total energy of a system is constant despite internal changes.
First Law of thermodynamics
Anything that has mass and occupies space
Matter
A group of atoms bonded together.
Molecule
A molecule consisting of only one type of atom
element
Total energy of a system is constant despite internal changes.
First law of thermodynamics
Anything that has mass and occupies space.
Matter
A group of atoms bounded together.
Molecule
A molecule consisting of only oe type of atom.
Element
A molecule consisting of multiple types of atoms.
Compound
Building block of more complex components; individual subunit.
Monomer
Large molecule consisting of many smaller molecules.
Polymer
Gradual development of something
Evolution
Cells form the fundamental structure and functional unit of life.
Cell theory
Branch of science concerned with classification and systematics.
Taxonomy
Formal naming system that all scientists use
Binomial system
The principal natural taxonomic unit
Species
method used for categorizing species using logical choices
Dichotomous key
Choice consisting of only 2 options
couplet
having no nucleus
nucleoid
central filament that provides motion
axial filaments
attachment filaments
fimbriae
hollow filament for genetic exchange
pilus (pili plural)
nutrient stores within the cytoplasm
inclusion bodies
highly resistant and and dormant structures containing the gentic material of an organism
endospores
aseual reproduction in unicellular organisms by division into two identical daughter cells.
binary fission
non coding segments of DNA (as oppose to exons, which do express genes).
Introns
long, thin, appendage that provides motion through whip-like motions.
flagella
short, hair-like extensions that undulate in a wave-like fashion to move particles over their surface.
cilia
membrane encased structure central to the cell containing the genetic information
nucleus
