Initiation of Nervous System Development in Amphibians Occurs When Organizer

question 255

Multiple Choice

Initiation of nervous system development in amphibians occurs when organizer cells

• A) block BMP proteins from inducing ectoderm to become epidermis.
• B) activate BMP proteins to induce ectoderm to become neural tissue.
• C) block Goosecoid from inducing ectoderm to become epidermis.
• D) block BMP proteins from inducing mesoderm to become epidermis.
• E) activate BMP proteins that induce mesoderm to form dermis.

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Definitions:

Inanimate "Substitute" Mothers

A term referring to surrogate non-living objects used to provide comfort or fulfill the role of a mother in animal behavior studies.

Terry Cloth

A fabric with loops that can absorb large amounts of water; commonly used for towels and bathrobes.

Wire

A slender, flexible strand or rod of metal used to bear mechanical loads or electricity and telecommunication signals.

Biological Drives

Innate impulses in living organisms that contribute to their survival, such as hunger, thirst, and the instinct for reproduction.