A polymer is a large molecule made up of repeating monomer units.

A polymer is a type of small molecule found in water.

A polymer is a metal alloy used in construction.

A polymer is a gas released during combustion.

A macromolecule is a very large molecule, such as a protein, nucleic acid, or polysaccharide, composed of hundreds or thousands of atoms.

A macromolecule is a small molecule found only in water.

A macromolecule is a type of cell organelle responsible for energy production.

A macromolecule is a molecule that can only be found in plants.

A monosaccharide is the simplest form of carbohydrate (simple sugar), such as glucose or fructose.

A monosaccharide is a type of protein found in animal cells.

A monosaccharide is a complex lipid molecule.

A monosaccharide is a nucleic acid involved in genetic coding.

Polymerization is the process of joining monomers to form a polymer.

Hydrolysis is the process of breaking polymers into monomers.

Sublimation is the process of a solid turning into a gas.

Fermentation is the process of converting sugars into alcohol.

The main elements are carbon, hydrogen, oxygen, and sometimes nitrogen and phosphorus.

The main elements are sodium, potassium, and calcium.

The main elements are iron, copper, and zinc.

The main elements are sulfur, chlorine, and magnesium.

Glycerol is a simple polyol compound that forms the backbone of triglycerides and phospholipids.

Glycerol is a type of amino acid found in proteins.

Glycerol is a mineral essential for bone health.

Glycerol is a carbohydrate used as a primary energy source.

Dehydration synthesis joins molecules by removing water, while hydrolysis breaks molecules apart by adding water.

Dehydration synthesis breaks molecules apart by adding water, while hydrolysis joins molecules by removing water.

Both processes join molecules by removing water.

Both processes break molecules apart by adding water.

A polypeptide is a chain of amino acids linked by peptide bonds.

A polypeptide is a type of carbohydrate molecule.

A polypeptide is a chain of nucleotides forming DNA.

A polypeptide is a lipid molecule found in cell membranes.

A peptide bond is a covalent bond that links two amino acids together in a protein.

A peptide bond is a type of hydrogen bond found in DNA.

A peptide bond is a non-covalent interaction between lipids.

A peptide bond is an ionic bond that connects nucleotides.

A polysaccharide is a complex carbohydrate composed of many monosaccharide units joined together.

A polysaccharide is a simple sugar molecule found in fruits.

A polysaccharide is a type of protein that helps in digestion.

A polysaccharide is a lipid used for storing energy in animals.

the number of bonds carbon can form

the color of carbon

the atomic mass of carbon

the melting point of carbon

Oxygen is a chemical element with the symbol O and atomic number 8. It is essential for respiration in most living organisms.

Oxygen is a type of metal used in construction.

Oxygen is a planet in our solar system.

Oxygen is a type of computer software.

Nitrogen is a chemical element with the symbol N and atomic number 7. It makes up about 78% of Earth's atmosphere.

Nitrogen is a rare mineral found only in volcanic rocks.

Nitrogen is a type of metal used in construction.

Nitrogen is a liquid fuel used in rockets.

Hydrogen is a chemical element with the symbol H and atomic number 1. It is the lightest and most abundant element in the universe.

Hydrogen is a rare mineral found only in volcanic rocks.

Hydrogen is a type of heavy metal used in construction.

Hydrogen is a synthetic compound used in plastics manufacturing.

The chemical formula for glucose is C6H12O6. The structure is a hexagonal ring with hydroxyl groups attached.

The chemical formula for glucose is C5H10O5. The structure is a pentagonal ring with methyl groups attached.

The chemical formula for glucose is C7H14O7. The structure is a heptagonal ring with carboxyl groups attached.

The chemical formula for glucose is C6H10O6. The structure is a hexagonal ring with amino groups attached.

A prokaryote is a unicellular organism that lacks a nucleus and membrane-bound organelles.

A prokaryote is a multicellular organism with a defined nucleus.

A prokaryote is an organism that contains mitochondria and chloroplasts.

A prokaryote is a unicellular organism with a nucleus.

A eukaryote is an organism whose cells contain a nucleus and other organelles enclosed within membranes.

A eukaryote is a virus that infects bacteria.

A eukaryote is an organism without any cellular structure.

A eukaryote is a molecule that stores genetic information.

A carbohydrate is a biomolecule consisting of carbon, hydrogen, and oxygen atoms, and is a major source of energy for living organisms.

A carbohydrate is a type of protein found in animal muscles.

A carbohydrate is a mineral essential for bone strength.

A carbohydrate is a lipid that stores genetic information.

A protein is a large biomolecule made up of amino acids that performs a variety of functions in living organisms, including catalyzing metabolic reactions and supporting cell structure.

A protein is a type of carbohydrate that stores genetic information in cells.

A protein is a lipid molecule responsible for storing energy in the body.

A protein is a mineral that helps in the conduction of nerve impulses.

Lipids are a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, and others. They are important for storing energy and making up cell membranes.

Lipids are a type of carbohydrate that provides immediate energy to cells.

Lipids are proteins that help in the transport of oxygen in the blood.

Lipids are minerals required for bone strength and nerve function.

Adenine Tri-Phosphate (ATP) is a molecule that carries energy within cells. It is the main energy currency of the cell.

Adenine Tri-Phosphate (ATP) is a type of protein found in the cell membrane.

Adenine Tri-Phosphate (ATP) is a hormone responsible for cell growth.

Adenine Tri-Phosphate (ATP) is a waste product produced during respiration.

Nucleic acids are biopolymers essential to all known forms of life. The two main types are DNA and RNA, which store and transmit genetic information.

Nucleic acids are a type of carbohydrate that provides energy to cells.

Nucleic acids are enzymes that speed up chemical reactions in the body.

Nucleic acids are lipids that form the main component of cell membranes.

Metabolism is the set of life-sustaining chemical reactions in organisms to convert food to energy, build cellular structures, and eliminate waste.

Metabolism is the process of cell division and reproduction only.

Metabolism refers to the movement of muscles during exercise.

Metabolism is the absorption of water by plant roots.

Homeostasis is the ability of an organism or environment to maintain stability in spite of changes.

Homeostasis is the process of cell division in living organisms.

Homeostasis refers to the breakdown of food to release energy.

Homeostasis is the movement of water across a semipermeable membrane.

Reproduction is the biological process by which new individual organisms are produced from their parents.

Reproduction is the process of breaking down food to release energy.

Reproduction is the process of removing waste products from the body.

Reproduction is the process of converting sunlight into food by plants.

Hereditary refers to the passing of traits from parents to offspring through genes.

Hereditary refers to the process of cell division in plants.

Hereditary is the study of weather patterns over time.

Hereditary means the ability of an organism to adapt to its environment.

Covalent refers to a type of chemical bond where two atoms share one or more pairs of electrons.

Covalent refers to a type of bond where electrons are completely transferred from one atom to another.

Covalent refers to a type of bond found only in metals.

Covalent refers to a force that holds ions together in a crystal lattice.

Ionic refers to a type of chemical bond formed between two ions with opposite charges.

Ionic refers to a type of covalent bond between atoms sharing electrons equally.

Ionic refers to a process where atoms lose or gain neutrons to form isotopes.

Ionic refers to a type of metallic bond formed between metal atoms.

Electronegativity is the tendency of an atom to attract electrons. An electrostatic bond is a bond formed due to the attraction between oppositely charged ions.

Electronegativity is the ability of an atom to lose protons. An electrostatic bond is a bond formed by sharing electrons equally.

Electronegativity is the mass of an atom. An electrostatic bond is a bond formed by covalent sharing of neutrons.

Electronegativity is the color of an atom. An electrostatic bond is a bond formed by magnetic attraction.

Cyanobacteria are photosynthetic bacteria, sometimes called blue-green algae, that live in water and produce oxygen.

Cyanobacteria are a type of virus that infects plants and animals.

Cyanobacteria are fungi that decompose dead organic matter in soil.

Cyanobacteria are non-photosynthetic bacteria found only in deserts.

Eubacteria are a large group of bacteria that have rigid cell walls and, if motile, have flagella. They are considered 'true' bacteria.

Eubacteria are a type of virus that infects plants and animals.

Eubacteria are single-celled organisms that lack a cell wall and are only found in extreme environments.

Eubacteria are multicellular fungi that reproduce by spores.

Archaebacteria are a group of microorganisms that are similar to bacteria but have different molecular structures and often live in extreme environments.

Archaebacteria are a type of plant found in tropical rainforests.

Archaebacteria are a class of viruses that infect only animals.

Archaebacteria are a group of fungi that decompose organic matter.

Deoxy Ribo-Nucleic Acid (DNA) is the molecule that carries genetic instructions in all living things.

Deoxy Ribo-Nucleic Acid (DNA) is a type of carbohydrate found in plants.

Deoxy Ribo-Nucleic Acid (DNA) is a protein responsible for muscle contraction.

Deoxy Ribo-Nucleic Acid (DNA) is a lipid that stores energy in cells.

The Octet Rule is a chemical rule of thumb that reflects the observation that atoms tend to combine so that each atom has eight electrons in its valence shell.

The Octet Rule states that atoms always have eight protons in their nucleus.

The Octet Rule is a law that only applies to noble gases.

The Octet Rule is a rule that describes the arrangement of neutrons in the atomic nucleus.

A cation is a positively charged ion, while an anion is a negatively charged ion.

A cation is a negatively charged ion, while an anion is a positively charged ion.

Both cation and anion are neutral particles.

Cations and anions have the same charge.

Glucose, DNA, Protein

Water, Oxygen, Salt

Carbon dioxide, Nitrogen, Helium

Sodium chloride, Ammonia, Argon

Carbon, Hydrogen, Oxygen, Nitrogen

Carbon, Helium, Oxygen, Nitrogen

Carbon, Hydrogen, Calcium, Nitrogen

Carbon, Hydrogen, Oxygen, Phosphorus

It can form four covalent bonds with other atoms.

It is the heaviest element in the periodic table.

It only forms ionic bonds.

It cannot bond with hydrogen atoms.

Carbohydrates, lipids, proteins, nucleic acids, and ATP

Carbohydrates, lipids, proteins, nucleic acids, and water

Carbohydrates, lipids, proteins, nucleic acids, and vitamins

Carbohydrates, lipids, proteins, nucleic acids, and minerals

It is the joining of two molecules with the removal of water; for example, forming maltose from two glucose molecules.

It is the breakdown of a molecule using water; for example, breaking down maltose into glucose.

It is the addition of water to a molecule to form a new compound; for example, adding water to glucose to form maltose.

It is the removal of oxygen from a molecule; for example, removing oxygen from glucose to form maltose.

The breakdown of sucrose into glucose and fructose by water

The combination of hydrogen and oxygen to form water

The melting of ice into liquid water

The evaporation of water from a surface

An organic compound consisting of carbon, hydrogen, and oxygen, usually in a 1:2:1 ratio.

A molecule made only of proteins and fats.

A type of nucleic acid found in the cell nucleus.

A mineral required for bone strength.

Glucose (monosaccharide), Sucrose (disaccharide), Starch (polysaccharide)

Fructose (monosaccharide), Maltose (disaccharide), Cellulose (polysaccharide)

Lactose (monosaccharide), Glucose (disaccharide), Glycogen (polysaccharide)

Starch (monosaccharide), Sucrose (disaccharide), Fructose (polysaccharide)

A molecule that is insoluble in water and soluble in nonpolar solvents.

A type of protein found in cell membranes.

A carbohydrate used for quick energy.

A nucleic acid that stores genetic information.

they contain more energy-rich bonds per gram than carbohydrates.

they are more easily broken down than carbohydrates.

they dissolve easily in water, making storage efficient.

they are composed of simple sugars.

Fatty acids and glycerol

Amino acids

Nucleotides

Monosaccharides

Saturated: butter; Unsaturated: olive oil

Saturated: olive oil; Unsaturated: butter

Saturated: corn oil; Unsaturated: lard

Saturated: sunflower oil; Unsaturated: coconut oil

Monounsaturated triglycerides have one double bond, while polyunsaturated triglycerides have more than one.

Monounsaturated triglycerides have no double bonds, while polyunsaturated triglycerides have one.

Monounsaturated triglycerides have more than one double bond, while polyunsaturated triglycerides have only one.

Monounsaturated triglycerides and polyunsaturated triglycerides both have the same number of double bonds.

Carbon, Hydrogen, Oxygen, Nitrogen

Carbon, Hydrogen, Sulfur, Phosphorus

Oxygen, Nitrogen, Calcium, Potassium

Hydrogen, Oxygen, Sodium, Chlorine

A central carbon, an amino group, a carboxyl group, a hydrogen atom, and a side chain (R group)

A phosphate group, a sugar, and a nitrogenous base

A glycerol molecule and three fatty acids

A ring of carbon atoms with alternating double bonds

A variable side chain in a molecule

A type of chemical bond

A radioactive isotope

A ring structure in carbohydrates

Enzyme catalysis (amylase), transport (hemoglobin), structural support (collagen), defense (antibodies), signaling (insulin)

Energy storage (glycogen), genetic information (DNA), insulation (fat), movement (actin), water transport (aquaporin)

Photosynthesis (chlorophyll), hormone production (testosterone), mineral storage (calcium), vision (retinal), digestion (cellulose)

Oxygen production (chloroplast), sugar synthesis (sucrose), fat breakdown (lipase), vitamin storage (vitamin D), nerve impulse (potassium)

Mitochondrion

Chloroplast

Nucleus

Golgi apparatus

Glucose

Fructose

Sucrose

Ribose

Methionine

Glycine

Alanine

Serine