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WorksheetsBiology Chapter 6 : Chemistry in Biology Vocab Quiz
Total questions: 15
Worksheet time: 8mins
building block of matter
atom
cell
organelle
tissue
compound
pure substance formed when two or more different elements combine
electrical attraction between two oppositely charged atoms
center of an atom; contains neutrons and protons
particle without a charge in an atom's nucleus
proton
positively charged particle in an atom's nucleus
particle without a charge in an atom's nucleus
negatively charged particle that occupies space around an atom's nucleus
pure substance composed of only one type of atom; cannot be broken down into another substance by physical or chemical means.
molecule
compound whose atoms are held together by covalent bonds
pure substance formed when two or more different elements combine
atom that is negatively or positively charged because it has lost or gained one or more electrons
negatively charged particle that occupies space around an atom's nucleus
attractive forces between molecules.
van der Waals force
molecule
compound
isotope
process by which atoms in substances are reorganized into different substances.
chemical reaction
activation energy
substrate
active site
the starting substances in a chemical reaction
reactant
product
catalyst
substrate
enzyme
special proteins that are biological catalysts
the minimum amount of energy needed for reactants to form products
The specific location where a substrate binds on an enzyme.
process by which atoms in substances are reorganized into different substances.
molecules that have an uneven distribution of charge and have oppositely charged regions.
polar molecule
solution
acid
pH
a substance in which another substance is dissolved (i.e. water)
solvent
solute
acid
base
the substance that is dissolved in the solvent (i.e. salt or sugar)
solute
solvent
solution
mixture
substances that release Hydrogen ions (H+) when they are dissolved in water.
acid
base
solvent
solute
mixtures that can neutralize acids or bases to keep the pH within a particular range.
buffer
pH
polar molecule
solution
large molecules that are formed by joining smaller organic molecules together.
macromolecule
micromolecule
ions
polymers
protein
compounds made of amino acids.
complex macromolecules that transmit and store genetic information.
Compound composed of a ratio of 1 carbon :2 hydrogen :1 oxygen
molecules made mostly of carbon and hydrogen that make up fats, oils, and waxes.
