Biology Chapter 9 Vocab.

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Calorie
the quantity of heat required to raise the temperature of 1 gram of water from 0 to 100°C at 1 atmosphere pressure.
Aerobic
Living or occurring only in the presence of oxygen
anaerobic
An organism, such as a bacterium, that can live in the absence of atmospheric oxygen.
Cellular Respiration
he series of metabolic processes by which living cells produce energy through the oxidation of organic substances.
NAD+
the oxidized form of nicotinamide adenine dinucleotide.
Krebs Cycle
The sequence of reactions by which most living cells generate energy during the process of aerobic respiration.
Matrix
An environment or material in which something develops.
Glycolysis
The breakdown of glucose by enzymes, releasing energy and pyruvic acid.

Fermentation
An anaerobic (without oxygen) cellular process in which organic foods are converted into simpler compounds, and chemical energy (ATP) is produced.