What Percent of the World's Nations Have at Least Five

question 12

Multiple Choice

What percent of the world's nations have at least five significant ethnic populations?

• A)0-10
• B)10-20
• C)20-30
• D)30-40
• E)over 40

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Definitions:

Ribosomal RNA

A type of RNA that combines with proteins to form ribosomes, which are the cellular structures that assemble proteins according to genetic instructions.

Nucleolus

The nucleolus is a densely packed region within the nucleus of a cell where ribosomal RNA is synthesized and assembled into ribosomes.

Circulating Red Blood Cells

Red blood cells that travel throughout the cardiovascular system, delivering oxygen to tissues and removing carbon dioxide.

Organelles

Specialized structures within a cell that perform distinct processes, like the nucleus, mitochondria, and chloroplasts.