Catabolise meaning

Catabolise means to break down complex molecules into smaller ones to release energy.


Catabolise definitions

Word backwards esilobatac
Part of speech The word "catabolise" is a verb.
Syllabic division cat-a-bo-lise
Plural catabolises
Total letters 10
Vogais (4) a,o,i,e
Consonants (5) c,t,b,l,s

Understanding Catabolism

What is Catabolism?

Catabolism is a fundamental process in biology in which complex molecules are broken down into simpler ones. This breakdown releases energy that can be used by the organism for various metabolic processes. Essentially, catabolism involves the breaking down of large molecules into smaller ones, resulting in the release of energy that can be utilized by the cell.

Key Components of Catabolism

Catabolism typically involves the breakdown of carbohydrates, proteins, and fats. These macromolecules are broken down into their respective building blocks – glucose, amino acids, and fatty acids. These smaller molecules can then be further broken down through various metabolic pathways to release energy stored within them.

The Role of Catabolism in Metabolism

Catabolism is an essential part of metabolism, which encompasses all the chemical reactions occurring within an organism. It provides the necessary energy for cellular processes, including growth, repair, and maintenance. By breaking down complex molecules, catabolism ensures that the organism has a constant supply of energy to carry out its functions.

Catabolism vs. Anabolism

Catabolism is often contrasted with anabolism, which involves the synthesis of complex molecules from simpler ones. While catabolism breaks down molecules to release energy, anabolism uses that energy to build up new molecules essential for growth and cellular functions. These two processes work in tandem to maintain the cellular balance required for the organism's survival.

Significance of Catabolism

Without catabolism, organisms would not be able to extract the energy needed to sustain life. It plays a crucial role in providing the necessary resources for various biological processes, including respiration, digestion, and cellular respiration. Catabolism ensures that cells have a constant source of energy to carry out their functions efficiently.

Regulation of Catabolism

Catabolic pathways are tightly regulated by the cell to ensure that energy production is balanced and meets the organism's needs. Enzymes play a crucial role in catalyzing the various reactions involved in catabolism, regulating the breakdown of molecules step by step. This tight regulation ensures that energy is produced efficiently without wastage.


Catabolise Examples

  1. During exercise, the body may catabolise muscle protein for energy.
  2. Certain enzymes in the body help catabolise carbohydrates into glucose.
  3. Individuals with certain metabolic disorders may have difficulty catabolising fats.
  4. Some plants catabolise cellulose to obtain glucose for energy.
  5. In times of starvation, the body may catabolise stored fats for fuel.
  6. The liver plays a key role in catabolising toxins and drugs in the body.
  7. Bacteria in the gut help catabolise complex sugars that humans cannot digest.
  8. Protein shakes are consumed by athletes to prevent catabolising muscle tissue.
  9. Some medications can interfere with the body's ability to catabolise certain nutrients.
  10. Doctors may monitor a patient's ability to catabolise medications for proper dosing.


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  • Updated 01/07/2024 - 17:03:30