How Does a Protein Kinase Cascade Amplify an Intercellular Signal

question 9

Multiple Choice

How does a protein kinase cascade amplify an intercellular signal?

• A) Protein kinase molecules open cell junctions,amplifying the intercellular signal.
• B) The activated G protein binds and activates a second protein,amplifying the signal.
• C) Nitric oxide opens cell channels,which allows protein kinase molecules to move quickly from cell to cell.
• D) Second messengers create shortcuts that create multiple cascades.
• E) Sequential activation of protein kinases can lead to the activation of thousands of effector proteins.

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Definitions:

Emotional Maladjustment

A state in which an individual's emotional responses are inappropriate or out of proportion to their socio-cultural environment.

Maslow

Refers to Abraham Maslow, an American psychologist best known for creating Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling innate human needs in priority, culminating in self-actualization.

Need

A requirement essential for an organism's survival, growth, and well-being.

Self-actualization

A concept in psychology representing the realization or fulfillment of one's talents and potentialities, considered as a drive or need present in everyone.