In Fruit Flies,morphogens

question 84

Multiple Choice

In fruit flies,morphogens

• A) are composed of nucleic acids.
• B) switch genes on and off.
• C) are receptor proteins.
• D) exist only in the eggs.

---

Definitions:

Substantia Nigra

A brain structure located in the midbrain involved in movement control, recognized for its dark pigmented neurons that produce dopamine.

Temporal Lobe

A region of the brain involved in processing auditory information and encoding memory.

Recognizing Sounds

The cognitive ability to identify and differentiate between various sounds, an important aspect of auditory perception.

Dermatomes

Areas of skin that are mainly supplied by a single spinal nerve, which are clinically useful in determining levels of spinal cord injuries.