Question

Beta-galactosidase, also known as lactase, is an enzyme produced by some bacteria to break down lactose, a sugar.
The model shown
here outlines the production of lactase, represented by product 3. Which statements accurately
identify the role of enzymes in producing lactase, as shown here? Select ALL that apply.
A)
The production of lactase involves multiple enzymes.
B)
The production of lactase requires multiple substrates
C)
The production of lactase increases the activity of the green enzyme.
D)
The products of some reactions become the substrates for other enzymes
in the process.
E)
The production of lactase requires two different enzymes and two
different substrates

Answer 1

The attached image allows us to infer that the production of lactase involves various enzymes, who use various substrates that are produced as a product of other reactions. We can confirm that options A, B, and D are accurate.

The image attached shows:

• 3 substrates
• 1 product
• 3 enzymes

all of which are too be involved in the production of another enzyme, lactase. As mentioned, this enzyme will later be used to break down a sugar commonly found in milk and dairy products known as lactose.

The image shows that a total of three enzymes are used to produce lactase, through this we can infer that option A is accurate. The fact that each enzyme is substrate specific tell us that as well as multiple enzymes, the production of lactase involves various substrates, therefore option B is a true statement. Finally statement D is correct as well because each enzyme produces the substrate required by the next enzyme through a chemical reaction.

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