Glossary 2.1

Printer-friendly version

The glossary provides definitions and explanations of key terms and concepts essential to understand the topic in the lesson. Be sure to familiarize yourself with each term before attempting the lesson glossary quiz.

Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

A

Activation energy

the minimum amount of energy that chemical reactants must absorb to start a reaction

Aerobic cellular respiration

a process that uses oxygen to harvest energy from organic compounds

Anabolic pathway

a pathway in which energy is supplied to build complex molecules from simple molecules

Anaerobic respiration

a process that uses a final inorganic oxidizing agent other than oxygen to produce energy

Andenosine triphosphate (ATP)

energy that powers nearly every cellular function; consists of 3 parts: a nitrogenous base (adenine), a five-carbon sugar (ribose), and a chain of 3 phosphate groups.


ATP cycle

the cyclic and ongoing breakdown and re-synthesis of ATP