Chloroplasts Are Thought to Have Originated as Endosymbiotic Associations When

question 9

Multiple Choice

Chloroplasts are thought to have originated as endosymbiotic associations when aerobic bacteria engulfed photosynthetic cells.This relationship was favored by the production of ____ by the endosymbiont.  

• A) glucose
• B) hydrogen ions
• C) ATP
• D) oxygen
• E) water

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Definitions:

Species

A congregation of organisms that resemble each other and can engage in gene exchange or reproduction.

Concrete

Describes a material composed of cement, water, sand, and gravel, used in building construction or a concept having a physical existence; tangible.

Physical Object

An entity that exists in the physical world and can be perceived by the senses.

Manufactured Object

An item or product that has been created or produced through a manufacturing process, typically involving machinery and human labor.