When Proteins Can Acts as a Buffer System, Their -COOH

question 65

True/False

When proteins can acts as a buffer system, their -COOH groups can accept H⁺ in the presence of excess acid, and their NH₃ groups can release H⁺ in the presence of excess base.

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Definitions:

Desert Wash

Dry streambeds in desert environments that temporarily fill with water during rainstorms.

Playa

A flat-bottomed desert basin that temporarily becomes a lake after heavy rain but reverts to a dry lakebed as the water evaporates.

Isotopes

Variants of a chemical element that have the same number of protons but a different number of neutrons in their nuclei, affecting their atomic mass but not their chemical properties.

Ice-Core Data

Information obtained from cylindrical sections of ice drilled from glaciers and ice sheets, which provide valuable records of past climates.