All Animals Need Oxygen Gas (O₂) for Their Primary Cellular-Level

question 88

Multiple Choice

All animals need oxygen gas (O₂) for their primary cellular-level functioning. Inside the cell, O₂ is split apart into oxygen atoms. Eventually, electrons that are flowing through the cell will be ?received? by this oxygen. But first, the electrons combine with protons present in the cell to form a basic element that has a single proton and a single electron. Then this element combines with the oxygen to form a certain chemical compound.
In this scenario, what chemical compound is produced when this element combines with oxygen?

• A) Carbon dioxide (CO₂)
• B) Bicarbonate (HCO₃)
• C) Ozone (O₃)
• D) Water (H₂O)

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Definitions:

Marginal Value

The additional benefit obtained from consuming or producing one more unit of a good or service.

Buffet

A serving system where food is placed in a public area, allowing diners to serve themselves.

Servings

Specific portions or quantities of food or drink, as determined for a recipe or diet.

Second Car

An additional vehicle owned by an individual or household, typically used as an alternative to the primary car.