Use the Following Figure to Answer the Questions Below

question 16

Multiple Choice

Use the following figure to answer the questions below.

-In the above diagram, the structure labelled B is a(n)

• A)transcription factor.
• B)activated relay molecule.
• C)ligand.
• D)plasma membrane receptor.
• E)intracellular receptor.

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Definitions:

Sexual Drive

The biologically driven force that motivates individuals to seek out and engage in sexual activities.

Androgens

A group of hormones that play a role in male traits and reproductive activity; the principal androgen is testosterone.

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Secretory Phase

A phase of the menstrual cycle following ovulation where the endometrium prepares for potential implantation of an embryo.