A Certain Enzyme Is Synthesized Whenever the Solution in Which

question 220

Multiple Choice

A certain enzyme is synthesized whenever the solution in which some cells are growing lacks substance X.This phenomenon is most likely an example of a(n) _______ system.

• A) inducible
• B) positive
• C) negative
• D) repressible
• E) positive-negative

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Definitions:

American Psychological Association

A professional organization representing psychology in the United States, dedicated to advancing psychology as a science, profession, and means of promoting health and welfare.

Animal Experiments

Research studies conducted on non-human animals to investigate biological, behavioral, or psychological phenomena.

Dendrites

Dendrites are the branching extensions of a neuron that receive signals from other neurons or sensory stimuli, playing a critical role in the transmission of neural signals.

Neurotransmitters

Chemical messengers that cross the synaptic gaps between neurons. When released by the sending neuron, neurotransmitters travel across the synapse and bind to receptor sites on the receiving neuron, thereby influencing whether that neuron will generate a neural impulse.