Which Step Is Thought to Have Occurred, According to Endosymbiotic

question 80

Multiple Choice

Which step is thought to have occurred, according to endosymbiotic theory?

• A) A dependent prokaryotic cell was engulfed by an independent prokaryotic cell, allowing the dependent cell to survive within the independent host cell.
• B) A dependent prokaryotic cell was engulfed by another dependent prokaryotic cell, allowing each cell to survive with the help of the other.
• C) An independent prokaryotic cell was engulfed by a dependent prokaryotic cell, allowing the dependent host cell to survive with the help of the engulfed cell.
• D) An independent prokaryotic cell was engulfed by another independent prokaryotic cell, after which the engulfed cell lost certain functions and became dependent on the host cell.
• E) An independent prokaryotic cell was engulfed by another independent prokaryotic cell, and both continued activities independent of one another.

---

Definitions:

Price Elasticity

A concept related to elasticity of demand, specifically measuring how much the quantity demanded of a good responds to changes in its price.

Marginal Cost

The expenditure associated with creating a subsequent unit of a product or service.

Subsidy

A financial contribution or support given by a government or institution to lower the price of a good or service, often intended to encourage production or consumption, reduce costs, or support industries.

Cost Schedule

A detailed listing showing the various quantities of a good or service and the associated costs of producing them.