Cortisol,a Lipid-Soluble Hormone Is Released into the Blood

question 28

Multiple Choice

Cortisol,a lipid-soluble hormone is released into the blood.Predict what cortisol might do.

• A) can dissolve in the blood as free hormone
• B) needs fenestrated capillaries to move out of the blood stream
• C) readily diffuses through capillary wall
• D)rapidly degraded by proteases in the bloodstream
• E) may have carbohydrates attached to give a longer half-life

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Definitions:

1,3-Butadiene

An elementary conjugated diene with a molecular composition of C4H6, employed in the manufacture of synthetic rubber as a monomer.

HOMO

Highest Occupied Molecular Orbital, the topmost energy level occupied by electrons in a molecule under normal conditions.

Allyl Anion

A negatively charged allyl group (a three-carbon chain with a double bond) that acts as a nucleophile in organic reactions.

LUMO

Lowest Unoccupied Molecular Orbital, which is the lowest energy molecular orbital that is currently unoccupied by electrons and can accept an electron.