Chemistry of Life

Front

The space surrounding the nucleus of an atom contains

Back

electrons

Front

When salt is dissolved in water, water is the

Back

solvent

Front

A substance with a pH of 6 is called

Back

an acid

Front

The most abundant compound in most living things is: carbon dioxide, water, sodium chloride, sugar

Back

water

Front

A monosaccharide is a

Back

carbohydrate

Front

What is a property of pure water that enables life to exist on Earth?

Back

It dissolves many substances

Front

Ice floats on a lake. This characteristic of water is responsible for

Back

preventing a lake from freezing solid

Front

Why can some insects stand on the surface of water?

Back

Water is cohesive and adhesive.

Front

Which macromolecules are a prominent part of animal tissues that function in insulation, helping animals conserve heat? Options: Lipids, Nucleic acids, Proteins, Carbohydrates

Back

Lipids

Front

Both lipids and carbohydrates are important in animal cells because both

Back

store energy