BioScience Dictionary

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Found Metabolism 63 times.

Displaying results 1 to 10.

1. Accumulation
Repeated exposures to a chemical may result in the progressive increase of its concentration in an organism, organ or tissue; illness or other effects may increase with successive doses. Factors involved in accumulation include selective binding of the chemical to tissue molecules, concentration of fat soluble chemicals in body fat, absent or slow metabolism of the chemical, and slow excretion of the chemical. Accumulation is a mass balance effect where input exceeds output.

2. Acetyl coenzyme A (acetyl CoA)
This coenzyme plays a huge role in intermediary metabolism, in which cells synthesize, break down or use nutrient molecules for energy production, growth, etc.

3. Aldosterone (aldocortin)
A steroid hormone that is produced by the adrenal cortex and mainly functions to regulate chloride, potassium, and sodium metabolism . Abnormally high levels of this hormone cause symptoms such as sodium retention, high blood pressure, heartbeat irregularities and possibly paralysis.

4. Ammonia
* The common name for NH3, a strongly basic , irritating, colorless gas which is lighter than air and readily soluble in water. It is formed in nature as a by-product of protein metabolism in animals. Industrially, it is used in explosives, fertilizer, refrigerants, household cleaning solutions, etc. * Ammonium hydroxide (NH4+), a solution of ammonia gas in water.

5. Anabolism
A stage of intermediary metabolism in which cell components are synthesized from smaller precursor molecules; anabolism is a process that requires energy.

6. Biochemical oxygen demand
The amount of oxygen aerobic organisms need to carry out oxidative metabolism in water containing organic matter, such as sewage.

7. Bioelectronics
The study of how electron s are transferred between molecules during biological regulation or biological defense. The movement of electrons is fairly important to the study of metabolism mechanisms.

8. Biological clock
An internal biological mechanism which controls certain biological rhythms and biocycle s, such as metabolism, sleep cycles, photosynthesis .

9. Biological specificity
The specific, orderly patterns of development and metabolism which define and characterize an individual and its species.

10. Calcium metabolism
A set of biochemical processes which act to keep the level of calcium in the blood at a constant level, with enough around to build bones and teeth.

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