What Kinds of Responses Have NOT Been Observed When Signals

question 71

Multiple Choice

What kinds of responses have NOT been observed when signals traveling down signaling pathways reach their target proteins?

• A)a change in gene expression
• B)a change in ion permeability
• C)cessation of DNA synthesis and degradation of DNA
• D)the death of the cell
• E)an alteration of the activity of metabolic enzymes

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Definitions:

Peripheral Vision

The area of vision that occurs outside the very center of gaze, enabling detection of objects and movement not directly in the line of sight.

Color-Blind

The inability or decreased ability to see color or distinguish color differences under normal lighting conditions.

Axons

Long, slender projections of nerve cells (neurons) that transmit electrical impulses away from the neuron body to other cells.

Ganglion Cells

Neurons located in the retina that receive visual information from photoreceptors and transmit it to the brain through the optic nerve.