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Microbiology Set 1
Microbiology Terms
41
Microbiology
Undergraduate 1
04/29/2013

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Term
Microorganism
Definition
One celled organisms. Viruses, fungi and bacteria
Term
Endospore
Definition
Dormant, tough and non reproductive structure from certain bacteria
Term
Organelle
Definition
Specialized unit within a cell, with a specific function
Term
Mitochondria
Definition
Provide energy a cell needs to move (Known as the powerhouse)
Term
Nucleus
Definition
Cell structure that contains DNA and controls cellular growth
Term
Cytoskeleton
Definition
Helps to maintain cell shape, support and movement
Term
Prions
Definition
Proteins that can reproduce on their own, also are infectious
Term
Hyphae
Definition
Thread like branches from the mycelium of a fungus
Term
Obligate Intracellular Parasite
Definition
Viruses that can only be maintained by living inside cells
Term
Heterotrophs
Definition
An organism that cannot make its own food and gets energy by consuming food
Term
Autotrophs
Definition
Organisms that can make their own food (Plants with photosynthesis)
Term
Saprobes
Definition
An organisms that gets nourishment from non living or decaying matter
Term
Photosynthetic
Definition
Process in green plants to create energy from light
Term
Indigenous Flora
Definition
Life occurring in a particular area, such as the bacteria that live in intestines
Term
Prions
Definition
Infectious agent made of protein
Term
Pili
Definition
Hair like structures on bacteria, thinner than flagella. Enables bacteria to anchor themselves
Term
Helminthes
Definition
Worm like parasites that cause infectious diseases (Pin worms)
Term
Protists
Definition
Eukaryotic organism, known as the very first organisms
Term
Narrow Spectrum Antibiotic
Definition
An antibiotic effective against certain bacteria
Term
Broad Spectrum Antibiotic
Definition
An antibiotic effective against a whole variety of bacteria
Term
Antagonism
Definition
Drugs or bacteria working against each other. Causes a bad outcome
Term
Synergism
Definition
Drugs or bacteria working with each other. Causes a good outcome
Term
Vivo
Definition
Experimenting with a whole living cell
Term
Vitro
Definition
An artificial environment that has no food source or bacteria, no life in it
Term
Characteristics of life
Definition
Are composed of cells , different levels of organization, use energy, respond to environment, grow, reproduce, adapt to environment
Term
Procaryotic Cell
Definition
Contains Capsule, ribosomes, cell wall, nucleic acid (DNA), cell membrane and flagella
Term
Prokaryotic Cell Attributes
Definition
No nucleus, usually unicellular, no membrane, no endoplasmic reticulum
Term
Gram Positive
Definition
Stains purple, lacks outer membrane
Term
Gram Negative
Definition
Stains red
Term
Bacterial shapes and sizes
Definition
Cocci (round)- singly or in pairs
Bacilli (rod)-singly, pairs, or chains
Curved and spiral shaped
Term
Eukaryotic Internal Structure and Organelles
Definition
Contains endoplasmic reticulum, cytoskeleton, ribosomes, mitochondria, golgi, lysosome and nucleus
Term
Fungi characteristics
Definition
Some are harmful, some beneficial. Are eukaryotic and unicellular
Term
Algae characteristics
Definition
Eukaryotic, have chlorophyll, can be multicellular or unicellular
Term
Protozoa characteristics
Definition
Unicellular, eukaryotic. Move by pseudopods, flagella and cilia. Reproduce sexually or asexually
Term
Helminthes Characteristics
Definition
Multicellular, eukaryotic. Possess digestive, circulatory, nervous, excretory and reproductive systems. Live inside their host
Term
Virus characteristics
Definition
Lack characteristics for life, primitive, non cytoplasmic. Are dormant until inside host cell
Term
Indigenous Microflora zones in Humans
Definition
Skin, conjuctiva, nose, pharynx, mouth, lower intestine, anterior urethra, vagina, respiratory tract
Term
How antibiotics affect Bacterial cell
Definition
Antibiotics inhibit certain functions, causing the bacteria to die
Term
Inhibiting growth in Vitro
Definition
Sporicidal, fungicidal, algicidal, vivicidal
Term
Source of most antibiotics
Definition
Penicillin
Term
Controlling Growth in Vivo
Definition
Heat, Cold, sterilization, disinfection
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