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Cell Processes

Cell Processes & Biomolecules

TermDefinition
Biomolecules A molecule that is produced by living things.
Carbohydrate A biomolecule composed entirely of carbon and hydrogen in a 2:1 ratio.
Lipid A member of a diverse group of biomolecules that are hydrophobic and include fats, oils, waxes, and other molecules.
Protein A biomolecule made of one or more amino acid polymers folded into a complex structure that performs a specific function.
Organic Containing the element carbon.
Nucleic Acid A nucleotide polymer capable of storing and transferring genetic information.
Enzyme Proteins that can change the rates of specific reactions.
Fatty Acids An energy-containing biomolecule composed of a carboxylic acid attached to a long hydrocarbon chain.
Amino Acid A molecule containing an amine group, a carboxylic acid group, and a side chain that is specific to each type of amino acid.
Polymer A large molecule formed by the bonding of smaller molecular units.
Monomer A single molecule that can be combined with other molecules of the same type to form a more complex molecule.
Homeostasis The tendency for a system to maintain relatively constant internal conditions
Diffusion The movement of particles from an area of higher concentration to an area of lower concentration; does not require energy. The particles will continue to move until they are evenly dispersed.
Osmosis The movement of a solvent across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration to equalize the solute concentration on both sides of the membrane.
Active Transport The movement of a substance across the membrane that requires the use of energy; moves against the concentration gradient.
Protein A biomolecule made of one or more amino acid polymers folded into a complex structure that performs a specific function.
Passive Transport Movement across a cell membrane without using energy.
Semipermeable (selectively permeable) Allowing only some materials to pass through a membrane.
Created by: ctecross1