Enzyme Reaction Which of the following is the best evidence for the lock and key theory of enzyme action? Enzymes determine the direction of a reaction Compounds similar in structure to the substrate inhibit enzyme activity Enzymes speed up reactions by definite amounts Enzymes are found in living organisms and speed up certain reactions Enzymes determine the direction of a reaction Compounds similar in structure to the substrate inhibit enzyme activity Enzymes speed up reactions by definite amounts Enzymes are found in living organisms and speed up certain reactions ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction If the Keq for an enzymatic reaction is greater than 1, the reaction can not occur without the input of energy will be endergonic none of these both (a) and (b) can not occur without the input of energy will be endergonic none of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction An endergonic reaction is one that requires energy in order to proceed looses energy releases energy for work gives off much heat requires energy in order to proceed looses energy releases energy for work gives off much heat ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction The ability of CTP to bind to aspartate carbamoyltransferase and shut down the synthesis of more CTP is an example of feedback inhibition of enzyme activity enzyme induction none of these enzyme repression feedback inhibition of enzyme activity enzyme induction none of these enzyme repression ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction An enzyme that is always produced, regardless of the presence of substrates or the end products, is called a constitutive enzyme an isoenzyme a repressible enzyme an allosteric enzyme a constitutive enzyme an isoenzyme a repressible enzyme an allosteric enzyme ANSWER DOWNLOAD EXAMIANS APP
Enzyme Reaction The ability of a competitive inhibitor to bind to an active site in an allosterically controlled enzyme is __________ than the ability of a non-competitive inhibitor to bind to an active site in the same allosterically controlled enzyme. approximately equal greater half lesser approximately equal greater half lesser ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS