The Changes of Primary Aging Are _____

question 89

Multiple Choice

The changes of primary aging are _____.

• A) caused by disease
• B) reversible
• C) preventable
• D) universal

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Definitions:

IR Spectrum

A graph demonstrating the infrared absorption and transmission of a substance, providing distinctive molecular fingerprints.

Carboxylic Acid

An organic acid characterized by the presence of a carboxyl group, with the formula R-COOH.

Hybridization

A concept in molecular chemistry describing the mixing of atomic orbitals to form new orbitals for bonding.

Carboxylic Acid

Organic acids featuring a carboxyl group (-COOH), which consists of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.