Determine the Sequence of the Following Events in a Cell

question 172

Multiple Choice

Determine the sequence of the following events in a cell after exposure of the cell to a chemical signal. (1) increased synthesis of a protein
(2) the chemical signal combined with a cytoplasmic receptor
(3) an increase in the nuclear concentration of the chemical
(4) an increase in mRNA synthesis
(5) genes are activated

• A) 2, 1, 3, 5, 4
• B) 2, 4, 5, 3, 2
• C) 2, 3, 5, 4, 1
• D) 2, 3, 4, 5, 1
• E) 1, 2, 3, 4, 5

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Definitions:

Proprioceptors

Sensory receptors located in muscles and tendons that sense the position and movement of the body parts.

Pacinian Corpuscles

Sensory receptors that detect mechanical changes and vibrations, contributing to the sensation of touch and pressure.

Ruffini End Organs

Sensory receptors within the skin that respond to stretch and twisting, contributing to the sense of body position and touch.

Merkel Disks

Specialized nerve endings in the skin that respond to light touch, contributing to the sensation of texture and pressure.