WorksheetsMacromolecules and Enzymes Vocabulary
Total questions: 30
Worksheet time: 30mins
What is the smallest particle of an element that retains the characteristics of the element?
Atom
Molecule
Compound
Mixture
Which term describes a substance that cannot be broken down into simpler chemical substances?
Compound
Element
Mixture
Solution
What are positively charged atoms called?
Anions
Neutrons
Cations
Electrons
What are negatively charged atoms called?
Cations
Anions
Protons
Neutrons
What are atoms of the same element that have different numbers of neutrons called?
Isotopes
Ions
Molecules
Compounds
Which type of bond is formed when an atom borrows an electron from another atom to fill its outer shell?
Covalent Bond
Hydrogen Bond
Ionic Bond
Metallic Bond
Which type of bond involves the sharing of an outer electron between two atoms?
Ionic Bond
Covalent Bond
Hydrogen Bond
Van der Waals Bond
What is the weakest type of bond where a hydrogen atom bonds to a slightly negative atom or molecule?
Ionic Bond
Covalent Bond
Hydrogen Bond
Metallic Bond
What is a mixture?
A material made up of two or more different elements
A single chemical unit that makes up a polymer
A compound made of carbon, hydrogen, and oxygen atoms
A type of mixture that involves a solvent and a solute
What is a solution?
A type of mixture that involves a solvent and a solute
A material made up of two or more different elements
A single chemical unit that makes up a polymer
A compound made of carbon, hydrogen, and oxygen atoms
What is an acid?
Has a greater number of H+ than water and is less than 7 on the pH scale
Has a greater number of OH- than water and is greater than 7 on the pH scale
Attraction between molecules of the same substance
A molecule composed of many monomers
What is a base?
Has a greater number of OH- than water and is greater than 7 on the pH scale
Has a greater number of H+ than water and is less than 7 on the pH scale
Attraction between molecules of different substances
A single chemical unit that makes up a polymer
What is cohesion?
Attraction between molecules of the same substance
Attraction between molecules of different substances
A single chemical unit that makes up a polymer
A compound made of carbon, hydrogen, and oxygen atoms
What is adhesion?
Attraction between molecules of different substances
Attraction between molecules of the same substance
A molecule composed of many monomers
A type of mixture that involves a solvent and a solute
What is a monomer?
Single chemical unit that makes up a polymer
Molecule composed of many monomers
A compound made of carbon, hydrogen, and oxygen atoms
A type of mixture that involves a solvent and a solute
What is a polymer?
Molecule composed of many monomers
Single chemical unit that makes up a polymer
A material made up of two or more different elements
A compound made of carbon, hydrogen, and oxygen atoms
What is a carbohydrate?
Compound made of carbon, hydrogen, and oxygen atoms; are the primary source of energy to the body
A type of mixture that involves a solvent and a solute
A single chemical unit that makes up a polymer
Attraction between molecules of the same substance
What is a macromolecule made mostly of carbon and hydrogen atoms, including fats, oils, and waxes, and serves as a secondary source of energy for the body?
Protein
Lipid
Nucleic acid
Amino acid
Which macromolecule contains hydrogen, oxygen, nitrogen, carbon, and phosphorus and serves as genetic material?
Lipid
Protein
Nucleic acid
Amino acid
What is the monomer of nucleic acids, made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base?
Amino acid
Nucleotide
Protein
Lipid
Which macromolecule contains carbon, hydrogen, oxygen, and nitrogen and is needed by the body for growth and repair?
Lipid
Nucleic acid
Protein
Amino acid
What is a monomer of proteins, composed of an amino group on one end and a carboxyl group on the other end?
Nucleotide
Lipid
Amino acid
Protein
What is the place on an enzyme where the substrate binds to catalyze a chemical reaction?
Active site
Reactant
Product
Nucleotide
What is the process that changes or transforms one set of chemicals into another set of chemicals?
Reactant
Chemical reaction
Product
Active site
What are the elements or compounds that enter into a chemical reaction called?
Product
Active site
Reactant
Nucleotide
What are the elements or compounds produced by chemical reactions called?
Reactant
Product
Active site
Nucleotide
What is the term for the energy input needed for a reaction to begin?
Catalyst
Enzyme
Activation Energy
Substrate
Which term describes a substance that speeds up the rate of a chemical reaction?
Substrate
Catalyst
Activation Energy
Enzyme
What is a protein catalyst that speeds up the rate of specific biological reactions?
Substrate
Activation Energy
Enzyme
Catalyst
What is the reactant of an enzyme-catalyzed reaction called?
Catalyst
Substrate
Enzyme
Activation Energy
