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Biology 115
Lecture questions
13
Biology
Undergraduate 1
06/20/2007

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Term
_________ is life's primary source of energy
Definition
C.Sunlight
Term
Energy_____________
Definition
D.All of the above
*cannot be created or destroyed
*can change from one form to another
*tends to flow spontaneously in one direction
Term
Entrophy is a measure of ______
Definition
B.how much and how far a form of energy has been dispersed after an energy change
Term
Enzymes__________
Definition
D.a and b
a.are proteins, except for a few RNAs
b.lower the activation energy of a reaction
Term
Enzyme function is influenced by ____
Definition
D.All of the above
a. changes in temperature
b. changes in ph
c. changes in salinity
Term
Which of the following statements is incorrect?
A metabolic pathway ________________
Definition
B.is mediated by only one enzyme that starts it
Term
________coenzyme or metal ion
Definition
C.cofactor
Term
_________Adjusts gradients at membrane
Definition
transport protein
Term
___________subtance entering a reaction
Definition
reactant
Term
_______substance formed during a reaction
Definition
D.intermediate
Term
___________substance at the end of the reaction
Definition
E.product
Term
_____________enhances reaction rate
Definition
B.Enzyme
Term
__________ mainly ATP
Definition
F.energy carrier
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