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Biology Exam 1 (Siebenhaller)
LSU BIO 1201
24
Biology
02/08/2010

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Term
Science (def)
Definition
a practice in which one can create a predictable outcome.
Term
Endotherm (def)
Definition
body temp controlled by internal factors
Term
Ectotherm (def)
Definition
live and have body temperatures at -2C below the freezing temperature of most vertebrates body fluids
Term
Thermophile (def)
Definition
a bacteria that can exist in temperatures up to 130C
Term
Halophile (def)
Definition
a bacteria that thrives in areas of highly concentrated salts.
Term
Barophile/Piezophile (def)
Definition
a microorganism that which thrives in high pressure areas.
Term
How to calculate the mass of a molecule
Definition
Molar mass/ avagadro's number (6.022x10^-23)
Term
Unsaturated fat, solid or liquid at room temp?
Definition
liquid
Term
Saturated fat, solid or liquid at room temp?
Definition
solid
Term
Proteins are made up of? How many different "answer" are there?
Definition
Amino Acids, 20
Term
pH scale
Definition
log base 10
The difference between pH3 andpH4 is a 10 fold difference in the concentration of H+
• The difference between pH3 and pH5 is a 100 fold difference in the concentration of H+
• pH of 7 is neutral
• pH below 7 is acidic
• pH above 7 is base
Term
pH and pOH, they must add up to?
If pOH=12 pH=?
Definition
14,2
Term
High heat capacity
Definition
amount to raise 1g of water 1C
Term
High heat of Vaporization
Definition
amount of heat required to vaporize 1g of water
Term
High heat of fusion
Definition
amount of heat required to freeze 1g of water
Term
Most dense at 4C
Definition
meaning ice is lighter than water
Term
High Dielectric
Definition
means it acts as a good solvent
Term
Capillary Action and surface tension, due to?
Definition
hydrogen bonding
Term
Ionization
Definition
Is the Dissociation into acid (hydronium ion)
Term
Transmissible Spongiform Encephalopathies (TSE)
Definition
Scrapie (sheep)
· CWD (chronic wasting disease) (mule deer & elk)
· BSE (bovince spongiform…, Mad Cow Disease) (cows)
Term
CJD and vCJD
Definition
typical onset at age 60+,
varient of CJD four in younger people
Term
CWD (Chronic wasting disease)
Definition
found in mules and elk
Term
KURU
Scrapie
Definition
a.k.a the laughing disease found in New Guinea,
found mostly in sheeps
Term
prions (def)
Definition
is an infectious agent that is composed primarily of protein.