The Plane of the Ecliptic Intersects the Celestial Equator

question 212

Multiple Choice

The plane of the ecliptic intersects the celestial equator

• A) everywhere because these are two different names for the same plane.
• B) at two points, the summer and winter solstices.
• C) at two points, the vernal and autumnal equinoxes.
• D) along the prime meridian.

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Definitions:

Receptor-Mediated Endocytosis

A cellular process in which cells absorb external substances by the inward budding of its membrane, guided by receptors.

Pinocytosis

A form of endocytosis where cells ingest extracellular fluid and its dissolved contents.

Facilitated Diffusion

The process of spontaneous passive transport of molecules or ions across a biological membrane via specific transmembrane integral proteins.

Active Exocytosis

Active exocytosis is a cellular process where substances are expelled from a cell, requiring energy for vesicles to fuse with the plasma membrane.