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Microbiology Chapter 1
Brief History of Microbiology
61
Biology
Undergraduate 3
02/14/2013

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Term
Pathogen
Definition
Microbes that are a disease causing organisms
Term
Glycolipids
Definition
Cell surface markers composed of both carbohydrate and lipid molecules are known as
Term
Dichotomous Key
Definition
A ______ is a guide that directs the user through a step by step process to identify a microbe.
Term
Lipid A
Definition
is a part of the Gram-negative cell wall that can produce fever, inflammation, and shock when it is released into the bloodstream.
Term
Hydrogen
Definition
The DNA double-helix is held together by ______ bonds
Term
Centrioles
Definition
Paired structures composed of tubulin that play a role in Eukaryotic mitosis are known as ______
Term
Membrane Bounded
Definition
The type of organelles found only in Eukaryotic cells
Term
Domain
Definition
Carl Woese and his colleagues proposed the ______, a taxon that replaces the Kingdom.
Term
Inclusions
Definition
The reserve deposits of starch or other compounds found in many prokaryotic cells
Term
Catalyst
Definition
Any molecule that speeds up a chemical reaction.
Term
Vaccination
Definition
SYN: immunization. Derived from Latin name cowpox virus
Term
Metabolism
Definition
The sum of all chemical reactions within an organism
Term
Anthrax
Definition
Robert Koch discovered the cause. A disease of animals that can be spread to humans.
Term
Hydrolysis Reaction
Definition
a chemical reaction in which a water molecule is a reactant.
Term
Acidophiles
Definition
Prokaryotes that grow best under acidic conditions
Term
Mordant
Definition
A substance that binds to a dye and makes it less soluble
Term
Environmental Microbiology
Definition
Organisms such as bacteris that can convert atmospheric nitrogen into nitrate are studied in____________.
Term
Cell Wall
Definition
The prescence of a _________ enables bacterial and plant cells to resist the effects of hypotonic solutions.
Term
Bacteriophages
Definition
Bacterial viruses that can be used to help classify diferent groups of bacteria
Term
Ignaz Semmelweis
Definition
Hand washing prevents disease transmission
Term
Anaerobic
Definition
Bacteria can live without oxygen
Term
Chemotherapy
Definition
use of chemicals to treat diseases such as bacterial infections
Term
Hypotonic
Definition
in a ______ solution, an animal cell can gain so much water that it may burst.
Term
Nucleoplasm
Definition
The semi-liquid matrix of the nucleus
Term
Tubulin
Definition
a structural molecule found in Eukaryotic cytoskeletons, flagella, cilia, and centrioles
Term
Pinocytosis
Definition
Eukaryotic cells use a process to obtains liquids form their environment
Term
Simple Stain
Definition
staining procedure that uses a single basic dye
Term
Nucleotide
Definition
the monomer of a nucleic acid
Term
Capsule
Definition
a type of glycocalyx that is firmly attached to the cell
Term
Fixation
Definition
process of immobilizing organisms on a glass slide though application of heat or chemicals
Term
Tertiary
Definition
The folding of a polypeptide into a three-dimensional shape
Term
Eukaryotic
Definition
Cell that contains a nucleus
Term
Basal Body
Definition
Anchors the bacterial flagellum in the cell wall
Term
Photosythetic
Definition
organism makes own food using solar energy
Term
Hexose
Definition
six-carbon suger used for energy in cells
Term
Protozoa
Definition
Eukaryotic. Single celled. “First/little animal”. Locomotion. Typically live freely in water but some live inside animal hosts where they can cause disease. Pseudopodia, cilia, and flagella.
Term
Bacteria
Definition
Prokaryotic, lack nucleus. Unicellular. Cell walls composed of polysaccharide, Peptidoglycan. Reproduce asexually. Live singly or in pairs, chains, clusters in habitats that contain sufficient moisture
Term
Microorganism
Definition
organisms too small to be seen without a microscope
Term
Archea
Definition
Prokaryotic, lack nucleus. Unicellular. Cell walls lack Peptidoglycan, composed of other polymers. Reproduce asexually. Extreme environments. No archea are known to cause disease. Live singly or in pairs, chains, clusters in habitats that contain sufficient moisture
Term
Fungi
Definition
Eukaryotic. Contain nucleus that composed of genetic material surrounded by a distinct membrane. Have Cell Wall. Not photosynthetic. Obtain food from other organisms- Heterotrophic. Molds and Yeast.
Term
Molds
Definition
Eukaryotic. multicelluar, reproduce by sexual and asexual spores. Penicillium Chrysogenum. Fungi
Term
Yeast
Definition
Eukaryotic. reproduce asexually some sexual spores. Fungi. Ferment grape juice into alcohol.
Term
Algae
Definition
Photosynthetic- make own food from carbon dioxide and water using energy from the sunlight. Unicellular or multicelluar. Seaweed and kelp. Categorized based on pigment, storage products and composition of cell wall
Term
Virus
Definition
"Poison" Can reproduce only by using a host cell. Smaller than the smallest prokaryote. Not visible by light microscopy. Acellular obligatory parasites composed of small amounts of genetic material surrounded by a protein coat. Not an organism not living.
Term
Antoni Van LEEWENHOCK
Definition
First to discover the bacterial world through a single lens mircroscope. “Beasties” aka Microorganisms.
Term
Louis PASTEUR
Definition
Pasteurization. Fermentation. Put spontaneous generation to rest.
Term
Robert KOCH
Definition
Method of isolation. Agar gel derived from red seaweed. Hypothesized that a bacterial colony arises from a single bacterial cell.
Term
Francesco REDI
Definition
Red meat isolated from flies didn’t develop maggots
Term
Lazzaro SPALLANZANI
Definition
Life needs oxygen
Term
Eduard BUCHNER
Definition
Beef gravy reinforced the idea that microbes could arise from nonliving. Discovery of enzymes in yeast.
Term
Joseph LISTER
Definition
Antiseptic Technique- PHENOL
Term
Florence NIGHTINGALE
Definition
Concept of cleanliness. Nosecomeal infections in hospitals
Term
John SNOW
Definition
Infection control and Epidemiology
Term
Edward JENNER
Definition
Field of Immunology- the study of the body’s defense against specific pathogens
Term
Paul EHRLICH
Definition
Field of Chemotherapy “Chemical Therapy”
Term
Han Christian GRAM
Definition
Gram Stain. Gram Positive (purple) and Gram Negative (pink) separate bacteria into two large groups
Term
Agar
Definition
Derived from red seaweed
Term
Biochemistry
Definition
the study of metabolism
Term
Gene therapy
Definition
inserting a missing gene or repairing a defective one in human cells
Term
Needham
Definition
favored the theory of spontaneous generation
Term
Animalcules
Definition
Leeuwehoek described microorganisms as
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