Problem: Under which of the following conditions will the lac operon be expressed at the highest level? a. Glucose and lactose presentb. Glucose present, lactose absentc. Glucose absent, lactose presentd. Glucose and lactose absent
FREE Expert Solution
lac operon: synthesizes proteins for the metabolism of lactose (lac genes)
• when lactose and glucose are present, lac genes are not expressed
• when only lactose is present, lac genes are expressed
Problem Details
Under which of the following conditions will the lac operon be expressed at the highest level?
a. Glucose and lactose present
b. Glucose present, lactose absent
c. Glucose absent, lactose present
d. Glucose and lactose absent
b. Glucose present, lactose absent
c. Glucose absent, lactose present
d. Glucose and lactose absent
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