Which of the Following Best Describes the Function of Cytochrome

question 1

Multiple Choice

Which of the following best describes the function of cytochrome c oxidase?

• A)Cytochrome c oxidase oxidizes four consecutive cytochrome c molecules,via one-electron transfers,while simultaneously reducing one O₂ to two H₂O.
• B)Cytochrome c oxidase oxidizes two consecutive cytochrome c molecules,via two-electron transfers,while simultaneously reducing one O₂ to two H₂O.
• C)Cytochrome c oxidase oxidizes four consecutive cytochrome c molecules,via one-electron transfers,while simultaneously reducing two O₂ to two H₂O.
• D)Cytochrome c oxidase oxidizes two consecutive cytochrome c molecules,via two- electron transfers,while simultaneously reducing two O₂ to two H₂O.

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Definitions:

Shutdown Point

The level of production and price at which a firm's total revenue is exactly equal to its total variable costs, leading to a decision whether to temporarily halt production.

Short-Run Supply

The total amount of goods and services that producers are willing and able to sell in the market at various prices over a short period, often influenced by fixed factors of production.

Long-Run Supply

A market condition reflecting the total output of goods and services providers are willing and able to produce, considering all inputs are variable.

Short Run

Refers to a period in which at least one input is fixed, limiting the capacity of the economy or firm to adjust to changes in demand.