In Which Way Does the Notochord Differ from the Neural

question 217

Multiple Choice

In which way does the notochord differ from the neural tube?

• A) The notochord develops from endoderm, whereas the neural tube develops from ectoderm.
• B) The neural tube forms the brain and spinal cord, and the notochord serves as a support structure and major organizer for the embryo.
• C) Development of the neural tube characterizes all vertebrate embryos, whereas development of the notochord is restricted to amphibians.
• D) During gastrulation, the neural tube forms first, followed by formation of the notochord.
• E) The neural tube forms the spinal cord, and the notochord forms the vertebrae that surround and protect the spinal cord.

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Definitions:

Insula

A region of the brain located deep within the cerebral cortex, involved in consciousness and the regulation of emotion.

Temporal Lobe

A region of the brain located beneath the lateral fissure on both cerebral hemispheres, involved in processing auditory information and encoding memory.

Parietal Lobe

A region of the cerebral cortex involved in processing sensory information regarding the location of parts of the body as well as interpreting visual information and processing language and mathematics.

Frontal Lobe

The part of the cerebral cortex that lies at the front of the brain, associated with higher cognitive functions such as reasoning, planning, parts of speech, movement, emotions, and problem-solving skills.