The Sequential Reaction Pathway A $\rarr$ B $\rarr$ C $\rarr$ D Is Dependent on Enzymes for Each Separate Step

question 85

Multiple Choice

The sequential reaction pathway A $\rarr$ B $\rarr$ C $\rarr$ D is dependent on enzymes for each separate step.If the pathway starts with A,how many different enzymes would be needed to produce D?

• A) just one,used over and over for each step
• B) two: one for the conversion of A to B and one for the conversion of C to D
• C) three
• D) four

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