Bio 208- Exam #2
Biology 208 with Colores at Central Michigan University
About this deck
By: Adam Mundy
Textbook:
Microbiology: An Introduction, Books a la Carte Edition (10th Edition)
Created: 2010-10-11
Size: 33 flashcards
Views: 60
Textbook:
Microbiology: An Introduction, Books a la Carte Edition (10th Edition)Created: 2010-10-11
Size: 33 flashcards
Views: 60
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catabolism
breakdown of complex organic molecules; release energy
anabolism
simple substances are combined to form more complex molecules; require energy
enzymes
catalytic protein that lower activation energy; can only be effected by pH, substrate concentration, temperature, and inhibitors
cofactors of enzymes
metal ions such as iron, copper, zinc, magnesium, etc
oxidation
removal of one or more electrons from a substrate; Protons (H+) are often removed with them
reduction
gain of one or more electron; goes hand in hand with oxidation
phosphorylation
addition of a proton to a molecule
most common carbohydrate
glucose
glycolysis
most common oxidation of glucose; pyruvic acid is end product
glucose
two ATP and two NADH molecules are formed from one
aerobic respiration
02 acts as final electron acceptor; creates 38 ATP from electron transport chain, Krebs cycle, and glycolysis
anaerobic respiration
final electron acceptor is either nitrite, sulfate, etc,; less ATP than aerobic
fermentation
releases energy from sugars or other organic molecules by oxidation; 02 is NOT required; final electron acceptor is an organic molecule
mesophiles
moderate temperature loving microbes; pathogens in body; 10-50 C
psychrophiles
cold loving microbes; -10-20 C
thermophiles
heat loving microbes; 40-70 C
Krebs cycle
decarboxylation of pyruvic acid produces one co2 molecule and one acetyl group
halophiles
thrive in high salt concentrations
osmophile
high sugar; honey
sterilization
removal or destruction of all microbial life
disinfection
destroys harmful microorganisms
antiseptic
disinfects living tissue
sanitize
lower microbial counts
neutrophiles
pH: 5.5-8; most living things
acidophiles
pH: 0-5.5; some molds + bacteria
alkaliphiles
pH: 8.5-11.5; soda lakes
isotonic
water is balanced
hypotonic
water is concentrated inside the cell
hypertonic
water is concentrated outside the cell
heterotroph
requires an organic carbon source
autotroph
uses CO2 as its principal carbon source
chemoautotroph
uses an inorganic chemical as an energy source and C02 as a carbon source
chemoheterotroph
uses organic molecules as a source of carbon and energy
About this deck
By: Adam Mundy
Textbook: Microbiology: An Introduction, Books a la Carte Edition (10th Edition)
Created: 2010-10-11
Size: 33 flashcards
Views: 60
Textbook:
Microbiology: An Introduction, Books a la Carte Edition (10th Edition)Created: 2010-10-11
Size: 33 flashcards
Views: 60
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have used this website for three exams, and I see a huge difference in my test results.”
Naj
Naj