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Exam 2
pH, Digestion, Photosynthesis, ATP
21
Biology
Undergraduate 1
10/02/2011

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Term
pH of plants vs animals
Definition
Plants are slightly acidic, animals are slightly basic
Term
pH of human blood
Definition
7.35-7.45
Term
Autotrophic
Definition
Self-feeding (plants)
Term
Heterotrophic
Definition
Other-feeding (animals)
Term
pH is a measure of..
Definition
number of protons
Term
Every pH number difference is a difference of how much acidity?
Definition
10x
Term
Role of mouth/teeth
Definition
Break into small particles, saliva has some enzymes that have a minor role in breaking down sugars
Term
Role of stomach
Definition
Break into large molecules (physically and chemically), destroy bacteria
Term
Role of duodenum
Definition
Produce numerous enzymes
Term
Role of pancreas
Definition
Produce numerous enzymes, produce bicarbonate to neutralize acidity
Term
Role of liver
Definition
produce bile
Term
Role of gallbladder
Definition
store bile and send it to duodenum
Term
Bile
Definition
melts fat (lipids) from food, takes lipid droplets and makes them tiny enough to enter cells. Made up of half cholesterol, half phospholipid, and some dead red blood cells
Term
How many feet of small intestines does the average person have?
Definition
20
Term
Mucosae
Definition
add surface area to small intestine walls
Term
Photon
Definition
packet of light, has no mass
Term
Photons wavelengths
Definition
Low energy=Long wavelengths, High=Short
Term
Sunlight
Definition
Halfish is infrared (Low energy)
Less than 5% is UV (High energy)
Halfish is visible (Medium energy, used by chlorophyll and other pigments)
Term
P700 gets its replacement electron from..
Definition
PQH. (Which then gets rid of its electron by squirting it into lumen)
Term
P680 gets its replacement electron from...
Definition
OEC
Term
Enzyme that takes CO2 out of the air
Definition
Rubisco
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