Biochemistry Vocabulary Review

An enzyme is a

• reactant that slows down a reaction

• biological catalyst that speeds up a reaction

• solvent that speeds up a reaction

• really cool jigsaw piece

Kai is conducting an experiment in the chemistry lab. He adds a compound to water and notices that the pH of the solution is higher than 7. What type of compound is Kai likely using?

• acid

• base

• ion

• polymer

The reactant that binds to the enzyme is a(n)

• different enzyme

• catalyst

• substrate

• active site

Luna is preparing for her biology exam and she needs to identify the compound made up of carbon, hydrogen, and oxygen atoms that serves as a major source of energy for the human body. What should she focus on?

• Carbohydrate

• Protein

• Lipid

• Nucleic Acid

Tags

NGSS.HS-LS1-6

substance that speeds up the rate of a chemical reaction

• catalyst

• enzyme

• Van Der Waals Force

• substrate

Tags

NGSS.HS-PS1-5

material composed of two or more elements or compounds that are physically mixed together but not chemically combined

• compound

• element

• mixture

• atom

Evelyn is conducting an experiment in her chemistry class where she observes a process that changes one set of chemicals into another set of chemicals. What is this process called?

• physical reaction

• chemical reaction

• metallurgic reaction

• nuclear reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

pH is a scale that determines how acidic or basic a substance is by

• measuring the the number of H⁺

• measuring the the number of H^-

• measuring the the number of OH^-

• measuring the the number of pH^-

Aria is conducting an experiment in her biology class to understand how certain substances help maintain the pH of a solution in a neutral range. What is she likely studying?

• acids

• bases

• buffers

• catalysts

This is the structure for which macromolecule?

• protein

• carbohydrate

• nucleic acid

• lipid

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6