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Energy
Test Description: Energy
Instructions: Answer all questions to get your test result.
1) This is stored energy
A
Potential energy
B
Mechanical energy
C
Chemical energy
D
Kinetic energy
2) This is when chemical energy converted to kinetic energy
A
Potential energy
B
Mechanical energy
3) This is the measure of the degree of disorder and is the 2nd law of thermodynamics
A
Entropy
B
Kinetic energy
C
Catalyst
D
Cellular respiration
4) These reactions are energy-requiring and get colder
A
Redox reactions
B
Exergonic reactions
C
Endergonic reactions
D
Cofactors
5) These speed reaction rates by lowering activation energy
A
Entropy
B
ATP
C
Enzymes
D
Cofactors
6) In chemical reactions, these are the molecules out
A
Intermediates
B
Reactants
C
Products
D
Active site
7) This is the substance that an enzyme works on
A
Allosteric site
B
Cofactor
C
Substrate
8) The minimum energy needed to start a reaction
A
Kinetic energy
B
Activation energy
C
Oxidation
D
Entropy
9) How do enzymes lower activation energy
A
By inducing fit between substrate and the active site
B
By orienting substrates to favor reaction
C
Neither is correct
D
Both of these
10) This is the assembly and the building of complex molecules
A
Entropy
B
Anabolism
C
Oxidation
D
Catabolism
11) Energy cannot be created or destroyed. It can be converted from one form to another and transferred between objects or systems
A
is the 3rd law of thermodynamics
B
is the 1st law of thermodynamics
C
is the 2nd law of thermodynamics
D
is the 4th law of thermodynamics
12) When energy is lost during with each transfer, it is usually lost as heat
A
False
B
True
*select an answer for all questions
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