AP BIOLOGY

EVOLUTION

THE ORIGIN OF LIFE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A material is hydrophobic, that means it ____
A
Doesn’t mix with water or dissolve in water easily
B
Mixes with water or dissolves in water easily
Explanation: 

Detailed explanation-1: -Hydrophobic molecules are molecules that are non-polar and do not mix with water. Water in contrast is a polar molecule and mixes with other polar molecules, called hydrophilic molecules. Some examples of hydrophobic molecules include: Waxes.

Detailed explanation-2: -Materials with a special affinity for water-those it spreads across, maximizing contact-are known as hydrophilic. Those that naturally repel water, causing droplets to form, are known as hydrophobic.

Detailed explanation-3: -Water and oil famously don’t mix: the term hydrophobic (water-fearing) is commonly used to describe substances that, like oil, do not mix with water.

Detailed explanation-4: -Substances dissolving readily in water are called hydrophilic compounds.

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