The Evolution of Eukaryotic Cells Most Likely Involved ________

question 27

Multiple Choice

The evolution of eukaryotic cells most likely involved ________.

• A) endosymbiosis of an oxygen-using bacterium in a larger bacterial host cell-the endosymbiont evolved into chloroplasts
• B) endosymbiosis of a photosynthetic archaeal cell in a larger bacterial host cell to escape toxic oxygen-the anaerobic archaea evolved into chloroplasts
• C) endosymbiosis of an oxygen-using bacterium in a larger bacterial host cell-the endosymbiont evolved into mitochondria
• D) evolution of an endomembrane system and subsequent evolution of mitochondria from a portion of the smooth endoplasmic reticulum

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Definitions:

Phonemes

A minimal sound segment in speech that serves to contrast words within a language.

Morphemic Rules

Guidelines that govern the structure, organization, and relationship of morphemes in a language.

Phonemic Rules

Guidelines that determine how phonemes, the basic units of sound in a language, can be combined to produce words and affect pronunciation.

Grammar

The set of rules that govern the structure and composition of phrases and sentences in a language.