aerobic
Adjective

living, active, or occurring in the presence of free oxygen

anaerobic
Adjective

living, active, or occurring in the absence of free oxygen

ATP
Noun

(adenosine triphosphate) chemical found in most living cells and used for energy.

cellular respiration
Noun

process by which cells turn nutrients into useful energy.

coenzyme
Noun

small molecule that helps enzymes catalyze reactions

cytoplasm
Noun

liquid matrix within a cell

electron transport chain
Noun

sequential transfer of electrons from high energy to low energy

eukaryotic
Adjective

relating to organisms whose cells have a nuceleus.

fermentation
Noun

natural or artificial process of changing a food's sugars into alcohols.

glycolysis
Noun

breakdown of a carbohydrate (such as glucose) using enzymes, resulting in the release of energy

Noun

environment where an organism lives throughout the year or for shorter periods of time.

Krebs cycle
Noun

sequence of reactions that provides energy during aerobic respiration

lactic acid
Noun

organic acid (C3H6O3)

mitochondria
Plural Noun

(singular: mitochondrion) structure (organelle) in the cytoplasm of most cells in which nutrients (sugars, fatty acids, and amino acids) are broken down in the presence of oxygen and converted to energy in the form of ATP.

molecule
Noun

smallest physical unit of a substance, consisting of two or more atoms linked together.

pyruvate
Noun

salt or ester of pyruvic acid