Cells Transplanted from the Neural Tube of a Frog Embryo

question 20

Multiple Choice

Cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissues. This result indicates that the transplanted cells were ________.

• A) totipotent
• B) determined
• C) differentiated
• D) mesenchymal

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Definitions:

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention, until it is associated with a certain response through conditioning.

Classical Conditioning

A training method where two signals are consistently associated; the reaction initially triggered by the second signal is ultimately triggered by the first signal alone.

United Parcel Service

A multinational package delivery and supply chain management company, commonly known by the acronym UPS.

Behavioral Change

Behavioral change involves modifying or completely altering an individual's actions or reactions to meet certain objectives or improve well-being.