Which of the Following Activities Is an Example of Reversal

question 26

Multiple Choice

Which of the following activities is an example of reversal of action at the elbow?

• A)Bringing the hand to the mouth during eating
• B)Holding to a bar during a chin-up activity and moving the body toward the bar
• C)Throwing a ball
• D)Brushing hair

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Definitions:

Lactase Enzyme

is a protein that catalyzes the breakdown of lactose into glucose and galactose, primarily found in the small intestine.

Lac Operon

A regulatory mechanism in bacteria that controls the expression of enzymes involved in lactose metabolism.

Repressor

A protein that binds to specific DNA sequences, preventing the transcription of genetic information from DNA to mRNA.

Acetyl Groups

Organic functional groups consisting of a methyl group single-bonded to a carbonyl. The formula is CH3CO-, significant in metabolic processes.