Skip to content

CHEMICAL COMPOUNDS WHICH CONSTITUTE LIVING ORGANISMS

CHEMICAL COMPOUNDS WHICH CONSTITUTE LIVING ORGANISMS

  1. All matter is made up of chemical elements, each of which exists in the form of smaller units called atoms
  2. Some of the elements occur in large amounts in living things
  3. These include carbon, oxygen, hydrogen, nitrogen, sulphur and phosphorus
  4. Elements combine together to form compounds
  5. Some of these compounds are organic
  6. Organic compounds contain atoms of carbon combined with hydrogen and they are usually complex
  7. Other compounds are inorganic
  8. Most inorganic compounds do not contain carbon and hydrogen and they are usually less complex
  9. Cells contain hundreds of different classes of organic compounds
  10. However, there are four classes of organic compounds found in all cells
  11. These are: carbohydrates, lipids, proteins and nucleic acids
See also  FACTORS AFFECTING TRANSPIRATION - FULL DETAILS

 

Carbohydrates

  1. Carbohydrates are compounds of carbon, hydrogen and oxygen
  2. Hydrogen and oxygen occur in the ratio of 2: 1 as in water
  3. Carbohydrates are classified into three main groups: monosaccharides, disaccharides and polysaccharides

 

Also See:

PROCESS OF PHOTOSYNTHESIS

NUTRITION IN PLANTS

BIOLOGY PRACTICAL

ACTIVE TRANSPORTWATER RELATIONS IN PLANT AND ANIMAL CELLS

See also  THEORIES OF EVOLUTION

 

SUBSCRIBE BELOW FOR A GIVEAWAY

Building & maintaining an elearning portal is very expensive, that is why you see other eLearning websites charge fees. Help to keep this learning portal free by donating or supporting us. We accept grants, sponsorships & support to help reach out to more people. Thank you so much. Click here to donate

Leave a Reply

Your email address will not be published.

School Portal NG
error: Content is protected !!