Our Modern Understanding of Pluto Is That It Is a Member

question 27

Multiple Choice

Our modern understanding of Pluto is that it is a member of

• A) the asteroid belt
• B) the giant planets
• C) the Kuiper Belt (of trans-Neptunian objects)
• D) the terrestrial planets
• E) no grouping within our solar system; it is completely one-of-a-kind

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Definitions:

Macrophages

Big white blood cells belonging to the immune system, which consume and break down cellular waste, foreign materials, microorganisms, and cancer cells.

Nucleoli

Structures within the nucleus of a cell that are involved in the production of ribosomes.

Ribosomal Subunits

The two structural components of a ribosome, which join together during protein synthesis; in eukaryotes, commonly referred to as the 40S (small) and 60S (large) subunits.

Golgi Apparatus

An organelle in eukaryotic cells responsible for modifying, sorting, and packaging proteins and lipids for secretion or use within the cell.