A Water-Soluble Hormone Binds to Its Receptor on the Plasma

question 31

Multiple Choice

A water-soluble hormone binds to its receptor on the plasma membrane. Arrange the events that follow in correct sequence.
(1) Alpha subunit-GTP complex alters cell activity
(2) GTP binds to the alpha subunit replacing GDP
(3) G-protein subunits separate from the receptor
(4) Alpha subunit separates from other two subunits
(5) G-protein subunits bind to the receptor

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

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Definitions:

Apgar Scale

A widely used method to assess the health of newborns at one and five minutes after birth. The Apgar Scale evaluates infants’ heart rate, respiratory effort, muscle tone, body color, and reflex irritability.

Newborn's Health Status

A general assessment of a newborn baby's overall health and wellness, typically evaluated shortly after birth.

Assessment

The process of evaluating or estimating the nature, ability, or quality of something, often used in educational and psychological contexts.

Birth

The process of giving life through the emergence of a newborn from the body of its mother; the beginning of life outside the uterus.