Why Does an Embryo Undergo the Process of Gastrulation

question 61

Multiple Choice

Why does an embryo undergo the process of gastrulation?

• A) Gastrulation separates the cells of the inner cell mass and the trophoblast so that the trophoblast is free to develop into the placenta.
• B) During gastrulation,the cells of the embryo move around to create the four extraembryonic membranes that protect the fetus.
• C) The rapid cell division that occurs during gastrulation allows the embryo to increase quickly in cell number without using much energy for cell growth.
• D) Cells in the blastocyst differentiate to form embryonic tissues but are not originally located in the right place.Gastrulation moves these cells to the proper position in the embryo.

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Definitions:

Taft-Hartley Act

A law enacted by the federal government in 1947 within the United States, aimed at constraining the operations and capabilities of labor unions.

Closed-shop Agreements

Closed-shop agreements are labor contracts requiring employers to hire only union members, typically to ensure worker unity in negotiations and workplace standards, though they are restricted or illegal in some jurisdictions.

Landrum-Griffin Act

A U.S. law aimed at regulating labor unions' internal affairs and their officials, promoting democracy, and safeguarding union members' rights.

Permissive Items

Aspects of labor negotiations where employers are not obligated but are allowed to discuss and agree upon with employees or their representatives.