According to the Endosymbiotic Theory of the Origin of Eukaryotic

question 17

Multiple Choice

According to the endosymbiotic theory of the origin of eukaryotic cells, how did mitochondria originate?

• A)from infoldings of the plasma membrane, coupled with mutations of genes for proteins in energy-transfer reactions
• B)from engulfed, originally free-living prokaryotes
• C)by secondary endosymbiosis
• D)from the nuclear envelope folding outward and forming mitochondrial membranes
• E)when a protoeukaryote engaged in a symbiotic relationship with a protobiont

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Definitions:

Marginal Cost

The augmentation in total expenditure resulting from the manufacture of one more unit of a product or service.

Price

Price refers to the amount of money expected, required, or given in payment for something, representing the value exchange between buyer and seller in a market.

Kinked Demand

A demand curve that has a distinct bend or "kink" at a certain price level, reflecting different elasticity above and below that price.

Marginal Cost

The increase in cost resulting from the production of an extra unit of a good or service.