EOC Review: Biochemistry Concepts and Applications

What type of bond holds the oxygen and hydrogen atoms together in a water molecule?

• Hydrogen bond

• Covalent bond

• Metallic bond

• Ionic bond

What property of water allows it to stick to other substances like glass or leaves?

• Cohesion

• Adhesion

• Surface tension

• Viscosity

What are proteins also known as?

• Lipids

• Nucleotides

• Polypeptides

• Polysaccharides

How many amino acids are there that make up all proteins?

• 40

• 30

• 20

• 10

What is the primary function of carbohydrates in cells?

• Energy storage and building materials

• Insulation and warmth

• Catalyzing reactions

• Genetic information storage

What are nucleic acids made up of?

• Fatty acids

• Nucleotides

• Monosaccharides

• Amino acids

Which elements are the primary components of macromolecules?

• Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur

• Carbon, Hydrogen, Oxygen, Sodium, Chlorine

• Carbon, Hydrogen, Nitrogen, Calcium, Potassium

• Carbon, Hydrogen, Oxygen, Magnesium, Iron

What role do enzymes play in biological processes?

• They store genetic information

• They provide insulation and warmth

• They build cell membranes

• They act as catalysts to speed up reactions

What happens to an enzyme when it is exposed to high heat or extreme pH?

• It becomes more active

• It changes shape and denatures

• It speeds up reactions

• It stores energy

What is the term for the specific substance an enzyme acts upon?

• Product

• Catalyst

• Reactant

• Substrate