Which Statement About Animal Development Is True

question 227

Multiple Choice

Which statement about animal development is true?

• A) Differentiation of cells into different cell types involves signaling molecules.
• B) In frog embryos, β-catenin is necessary but not sufficient for the formation of the primary embryonic organizer.
• C) Blastomeres are early embryonic cells that form during gastrulation.
• D) The mouth of the sea urchin forms from the blastopore.
• E) Cells migrate during the blastula stage.

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Definitions:

Weber's Definition

Refers to Max Weber's comprehensive descriptions and categorizations in sociology, particularly his definitions of bureaucracy and the process of rationalization.

Adolf Hitler

A German politician and leader of the Nazi Party who rose to power as Chancellor of Germany in 1933 and later Führer in 1934, initiating World War II and enacting policies that led to the Holocaust.

Legitimate Power

A form of authority that is recognized and accepted by individuals because it stems from a position of responsibility in a hierarchy.

Referent Power

A form of influence based on the attraction or admiration one person has for another, often because of the latter's charisma or likability.