Biochemistry Vocabulary Quizs

Activation Energy

• The energy required to break chemical bonds in a reaction.

• The minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.

• The energy released when a reaction occurs.

• The energy needed to maintain a reaction at equilibrium.

Catalysts

• Substances that increase the rate of a chemical reaction without undergoing any permanent chemical change.

• Substances that slow down the rate of a chemical reaction.

• Substances that are consumed in a chemical reaction.

• Substances that change the color of a chemical reaction.

Substrates

• The substance on which an enzyme acts.

• A type of enzyme that speeds up reactions.

• A product formed after an enzymatic reaction.

• A molecule that inhibits enzyme activity.

Carbohydrates

• Organic compounds occurring in foods and living tissues, including sugars, starch, and cellulose.

• Inorganic compounds that provide energy to the body.

• Proteins that are essential for muscle growth and repair.

• Fats that are important for hormone production.

Amino Acids

• Organic compounds that combine to form proteins and are used by the body to perform various functions.

• Simple sugars that provide energy to the body.

• Fatty acids that are essential for hormone production.

• Vitamins that help in the absorption of minerals.

pH

• A scale used to specify the acidity or basicity of an aqueous solution.

• A measure of the temperature of a solution.

• A scale that measures the concentration of dissolved oxygen in water.

• A method for determining the salinity of a solution.

Steroids

• A type of protein found in muscle tissue.

• A large class of organic compounds with a characteristic molecular structure containing four rings of carbon atoms.

• A simple sugar used for energy.

• A type of vitamin essential for metabolic processes.

Proteins

• Large biomolecules consisting of one or more long chains of amino acid residues.

• Small molecules that serve as energy sources for cells.

• Simple sugars that provide structural support in cells.

• Nucleic acids that store and transmit genetic information.

Concentration

• The total mass of a substance in a mixture.

• The abundance of a constituent divided by the total volume of a mixture.

• The temperature at which a substance dissolves in a solvent.

• The pressure exerted by a gas in a closed container.

Phospholipid

• A type of carbohydrate found in cell walls.

• A class of lipids that are a major component of all cell membranes.

• A protein that helps in cell signaling.

• A nucleic acid involved in genetic information.