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Bio test 2

Terms in this set (44)

Objects that aren't actively moving but have the ability to do so are
Potential
Chemical reactions that go on their own and release energy are called
Exergonic
The site on the surface of a reactant where it binds to the enzyme is the
Binding site
The making and breaking of a chemical bond is called
Chemical reactions
All of the following are correct about energy except
A. The world gets its energy from the sun
B. Chemical bonds store potential energy
C. All forms of energy can be converted to heat
D. A boulder perched on a hill has kinetic energy
E. Energy is the ability to do work
D. A boulder perched on a hill has kinetic enrrgy
first law of thermodynamics
Energy can be transferred and transformed, but it cannot be created or destroyed.
non-competitive inhibitor interferes with
A. Allosteric sure of the enzyme so a substrate can't bind
B. Active site of an enzyme so a substrate can't bind
C. Binding site of a substrate so a enzyme can't bind
D. Binding site of an enzyme so a substrate can't bind
A. Allosteric sure of the enzyme so a substrate can't bind
Most human enzymes work best within the pH range of:
pH 6-8
Components of ATP molecule?
Ribose, 3 phosphate, 1 adenine
Carbon bonds to the hemoglobin protein at the oxygen binding site. Once it binds the oxygen can no longer be transported. What does this describe?
A. Competitive inhibition
B. Feedback inhibition
C. Allosteric inhibition
D. Non competitive inhibition
A. Competitive inhibition
A measure of the degree of disorder in a system is
entropy
The process of lowering the activation energy of a reaction is
catalysis
In what type of reactions do the products have more energy than the reactants?
Endergonic
The extra energy required to destabilize existing chemical bonds and to initiate a chemical reaction is called:
activation energy
The site on the enzyme surface where the reactant fits is referred to as the:
active site
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