The Lac Regulatory System Is Important to Bacteria Because the Sugar

question 9

Multiple Choice

The lac regulatory system is important to bacteria because the sugar lactose

• A)cannot be made by bacteria unless the genes are turned on.
• B)is the most common source of food;enzymes are needed all the time.
• C)is only rarely available;producing enzymes all the time is costly.
• D)is incorporated into the nucleic acid of the bacteria.
• E)switches the system off and on whether lactose is present or not.

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Definitions:

Diet

The sum of food and drink that an individual habitually consumes, which can significantly impact health and well-being.

Wrinkling

The formation of creases, folds, or ridges on the skin, typically as a result of aging, skin damage, or dehydration.

Automatic

Operations or processes that require minimal conscious thought and effort, often due to learning or repetition.

Health Consequences

The outcome or impacts on a person's physical well-being resulting from certain behaviors, lifestyle choices, or environmental exposures.