The Nervous System Has Neurons as Well as Associated Neuroglia

question 13

Multiple Choice

The nervous system has neurons as well as associated neuroglia. Which one of the following neuroglia is derived from cells of the bone marrow?

• A) Schwann cells
• B) astrocytes
• C) oligodendroglia
• D) ependymal cells
• E) microglia

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Definitions:

Ribosomal RNA

A molecular component of ribosomes, essential for protein synthesis in all living organisms.

Molecular Systematics

The science that focuses on molecular structure to clarify evolutionary relationships.

Evolutionary History

The chronology of the development and diversification of organisms through geological time periods, determined through the study of fossils and genetic analyses.

Nucleotide Sequences

The arrangement of nucleotides in a strand of DNA or RNA, determining genetic information and its expression.