BCH 361 Ch. 7 TEST QUESTIONS WITH CORRECT ANSWERS
Match the condition w/ the statement that describe it.
Doubling [S] will almost double the rate
A. [S]= 10Km
B. [S]= Km
C. [S]= 0.1 Km - Answer-C
Match the condition w/ the statement that describe it.
Half of the active sites are occup...
BCH 361 Ch. 7 TEST QUESTIONS
WITH CORRECT ANSWERS
Match the condition w/ the statement that describe it.
Doubling [S] will almost double the rate
A. [S]= 10Km
B. [S]= Km
C. [S]= 0.1 Km - Answer-C
Match the condition w/ the statement that describe it.
Half of the active sites are occupied by the substrate
A. [S]= 10Km
B. [S]= Km
C. [S]= 0.1Km - Answer-B
Determine how rxn rate (velocity) varies w/ substrate concentration. Rate increase, Rate
decreases, Rate is unchanged
A. additional substrate is added when substrate concentration is low
B. substrate is added when enzymes is saturated w/ substrate
C. additional substrate is added when substrate concentration is very high - Answer-
Rate increases: A
Rate decreases: none
Rate is unchanged: B, C
Match the condition w/ the statement that describe it.
Less than 10% of the active sites are occupied by substrate
A. [S]= 10Km
B. [S]= Km
C. [S]= 0.1Km - Answer-C
Velocity or rate of rxn is defined as - Answer-rate of decrease of the reactant or
increase of product with time
first order rxn - Answer-when the velocity of a rxn (units M/s) is linearly proportional to
the reactant concentration (unit M or mole/L)
First order rxn formula - Answer-V= k[A]
k value of first/second order rxns - Answer-rate constant
__________ order rxns can appear to be first order rxn if concentration of one reactant
is much higher than the other - Answer-Second
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