A Protein Kinase Cascade Can Amplify an Intracellular Signal by

question 207

Multiple Choice

A protein kinase cascade can amplify an intracellular signal by

• A) opening gap junctions to allow diffusion of signals from neighboring cells.
• B) activating a G protein, which then binds and activates a second protein, amplifying the signal.
• C) using nitric oxide to quickly diffuse into cells, amplifying the response.
• D) using transcription factors to increase gene expression.
• E) activating one kinase molecule that can then trigger the activation of many proteins.

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Definitions:

Positive Emotions

feelings that are enjoyable and desirable, such as happiness, love, or excitement, contributing to overall well-being.

Valenced Reactions

Emotional responses that can be positive or negative in nature, influenced by an individual's personal experiences, perceptions, or attitudes towards a particular event or piece of information.

Arousal

is a physiological and psychological state of being awoken or activated, as well as the readiness for activity.

Moods

are temporary emotional states that differ from emotions by being less specific, less intense, and longer-lasting, influencing a person's perception and behaviors.