Multiple Choice
Phosphatase enzymes in signal transduction pathways function primarily to:
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6. Enzymes and Enzyme Kinetics
Enzymes
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
An enzyme produced in response to the presence of a substrate is called a(n):
A
allosteric enzyme
B
coenzyme
C
constitutive enzyme
D
inducible enzyme
Verified step by step guidance1
Step 1: Understand the concept of enzyme regulation. Enzymes can be regulated based on the presence or absence of specific molecules, such as substrates or inhibitors. This regulation ensures that enzymes are active only when needed.
Step 2: Define the term 'inducible enzyme.' An inducible enzyme is one that is synthesized or activated in response to the presence of a specific substrate. This allows the cell to conserve energy by producing the enzyme only when its substrate is available.
Step 3: Compare the given options. An allosteric enzyme is regulated by molecules binding to sites other than the active site, altering its activity. A coenzyme is a non-protein molecule that assists enzyme function. A constitutive enzyme is produced continuously, regardless of substrate presence.
Step 4: Identify the correct answer based on the definition. Since the enzyme is produced in response to the substrate, it matches the definition of an inducible enzyme.
Step 5: Conclude that the correct answer is 'inducible enzyme,' as it aligns with the concept of enzyme production triggered by substrate presence.
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