Carbohydrate & Lipids Quiz Review

Organic compounds are used as building blocks for

• water, DNA, and starches

• water, proteins, and oxygen

• proteins, DNA, and carbon dioxide

• proteins, starches, and fats

Which substance is an inorganic molecule?

• DNA

• fat

• starch

• water

In a chemical analysis of a sample of animal tissue, which element would most likely be found in the smallest quantity?

• hydrogen

• iodine

• carbon

• oxygen

Most organisms contain

• organic compounds, only

• inorganic compounds, only

• both organic and inorganic compounds

• neither organic nor inorganic compounds

Which compound is inorganic?

• glucose (C6H12O6)

• carbon dioxide (CO2)

• ethane (C₂H6)

• stearic acid (C18H3602)

An energy-rich organic compound needed by organisms is

• salt

• glucose

• oxygen

• water

Glucose molecules are the building blocks of what class of macromolecule?

• Proteins

• Lipids

• Nucleotides

• Carbohydrates

Which chemical formula represents a carbohydrate?

• CH4

• C12H22011

• C3H7O₂N

• CO2

Most of the starch stored in the cells of a potato is composed of molecules that originally entered these cells as

• simple sugars

• fatty acids

• amino acids

• nucleotides

The process by which glucose is converted to starch is known as

• protein hydrolysis

• dehydration synthesis

• chemical digestion

• cellular respiration