The Bodyʹs Axis of Development Is Determined by the

question 89

Multiple Choice

The bodyʹs axis of development is determined by the

• A) primitive streak.
• B) notochord.
• C) blastomeres.
• D) epiblast.

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Definitions:

Electrical Properties

Characteristics of materials or systems that define their behavior in the presence of electric fields, including conductivity, resistivity, and dielectric constant.

Ion Concentration

The measure of the number of ions in a particular volume of solution, impacting electrical conductivity, pH, and various biological processes.

Plasma Membrane

A selective barrier that surrounds a cell, controlling the movement of substances in and out of the cell.

Sliding Filament Model

A theory explaining the mechanism of muscle contraction through the sliding of actin (thin) filaments over myosin (thick) filaments, shortening the sarcomere.