Hans Spemann and Colleagues Developed the Concept of the "Organizer

question 51

Multiple Choice

Hans Spemann and colleagues developed the concept of the "organizer" in amphibian embryos while studying the ________.

• A) medial cells between the optic cups
• B) anterior terminus of the notochord
• C) lateral margins of the neural tube
• D) dorsal lip of the blastopore

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Definitions:

Pigovian Taxes

Taxes imposed on activities that generate negative externalities, aiming to correct market inefficiencies and reduce unwanted behaviors.

Regulatory Policies

Rules or guidelines issued by governmental agencies to control or direct economic or social activities.

Negative Externalities

Economic activities that impose a cost on third parties who are not directly involved in the activity, such as pollution.

Noise-Control Regulations

Laws or policies implemented to limit the amount of noise pollution in an environment, aiming to protect public health and well-being.