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covalent bond
A chemical bond formed when electrons are shared between two atoms
hydrogen bond
A type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule
ion
an atom or group of atoms that has an electric charge
ionic bond
a chemical bond formed when one atom gives up one or more electrons to another atom
intramolecular bonds
bonds between atoms that form molecules (wit
intermolecular bonds
bonds between molecules outside of a molecule
molecule
a group of two or more atoms that are held together by attractive forces known as chemical bonds
non polar covalent bonds
a type of bond that occurs when two atoms share a pair of electrons with each other
polar covalent bond
a bond that exists between two atoms consisting of electrons that are unevenly distributed
polar molecule
a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative
surface tension
The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules
ph
A measure of how acidic or basic a substance or solution is
adhesion
the binding or attraction between dissimilar molecules, atoms, surfaces, or substances
cohesion
the attraction of molecules for other molecules of the same kind
amino acid
molecules that bind to form proteins
carbohydrate
the body's major source of energy
dehydration synthesis
The process of combination of two molecules with the elimination of water molecules
deoxyribonucleic acid
dna
disaccharide
a type of carbohydrate that consists of two monosaccharides linked together
hydrolysis reaction
a larger molecule forms two (or more) smaller molecules and water is consumed as a reactant
hydrophilic
having a strong affinity for water
hydrophobic
tending to repel or fail to mix with water
lipid
fatty compounds that perform a variety of functions in your body
macromolecules
a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer
monomers
a molecule that can be bonded to other identical molecules to form a polymer
monosaccharide
the simplest units of carbohydrates and the simplest form of sugar. They are the building blocks of more complex carbohydrates
nucleic acid
large nitrogen-containing polymers found mainly in cell nuclei
nucleotide
the basic building block of nucleic acids (RNA and DNA)
organic compound
a chemical compound that contains carbon atoms that are attached to hydrogen atoms with covalent bonds
peptide bond
a covalent bond that links amino acids together to form a protein
polypeptide
A substance that contains many amino acids (the molecules that join together to form proteins)
polysaccharide
a long-chain carbohydrate made up of smaller carbohydrates called monosaccharides that's typically used by our bodies for energy or to help with cellular structure
protein
A molecule made up of amino acids. They are the basis of body structures, such as skin and hair
