Hormones Act Through Binding to Their Receptors

question 9

Multiple Choice

Hormones act through binding to their receptors.Which of following hormones binds only to a receptor located on the cell membrane?

• A)Thyroid hormone
• B)Catecholamine
• C)Estrogen
• D)Progesterone
• E)Vitamin D

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Definitions:

Configurational Label

A notation used in chemistry to describe the spatial arrangement of atoms within molecules that cannot be changed without breaking chemical bonds.

Chiral Carbon

A carbon atom attached to four different groups, providing a molecule with a non-superposable mirror image.

Asymmetric Carbon

A carbon atom bonded to four different groups, creating a chiral center and potentially optical activity in the molecule.

R or S

Descriptors in chemistry that indicate the absolute configuration of chiral centers in molecules, determining their spatial arrangement as right-handed (R) or left-handed (S).