Biomolecules Exam Review

Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water permeable. This waxy coating is considered which biomolecule?

• lipid

• carbohydrate

• nucleic acid

• protein

Amino acids combine to form large organic polymers known as

• carbohydrates

• nucleotides

• biomolecules

• proteins

Which of the following is a monomer of carbohydrate?

• amino acid

• glycerol and fatty acid

• monosaccharide

• nucleotide

Jill is preparing for a marathon, what food should he eat beforehand to give him a lot of energy?

• fried steak

• eggs

• chicken

• pasta

Which type of bond deals with the sharing of electrons

• ionic

• covalent

• hydrogen

• chain

A molecule of DNA is a polymer composed of-

• nucleotides

• fatty acids

• amino acids

• glucose

Which statement is true?

• glycerol is made of fatty acids

• amino acids are made of proteins

• DNA/RNA molecules are made of nucleotides

• simple sugars are made of polysaccharides

Which of the following is NOT a function of a protein

• structural materials (muscles, tendons, ligaments)

• storing genetic information

• hormones

• enzyme reactions

Which of the following foods listed IS an example of a polysaccharide?

• pasta

• glucose

• ribs

• butter

Which data help students identify the area that has the strongest concentration of acid rain?

• the pH is 7

• the pH is 14

• the pH is 5

• the pH is 2