The Oxidation State of Carbon in CO₂ Is

question 77

Multiple Choice

The oxidation state of carbon in CO₂ is

• A) +4
• B) -4
• C) +2
• D) -2
• E) none of these

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Definitions:

Calcitonin

A hormone produced by the thyroid gland that helps regulate blood calcium levels by lowering them when they are high.

Calcium Ion Concentration

The level of calcium ions (Ca2+) in a particular system, important for various cellular processes including signal transduction and muscle contraction.

Parathyroid Glands

Small endocrine glands in the neck that produce parathyroid hormone (PTH), which regulates calcium levels in the blood.

Fight-or-Flight Response

A biological response triggered by the perception of danger, hostility, or a threat to one's existence.