Glossary
Aerobic respiration
A metabolic process which takes place in the presence of oxygen.
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Active transport
Where energy drives the passage of molecules across a membrane.
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Anaerobic respiration
A metabolic process which takes place in the absence of oxygen.
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Base pairs
The coding units of DNA or RNA held in pairs by hydrogen bonding.
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Colorectal cancer
Cancer of the colon and/or rectum.
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