Chemistry Revision Notes for Class 12 Chapter 14 Biomolecules

Students should revise the chapters before the exam as it makes them more confident about the topics and subject. BYJU’S is providing an excellent chemistry revision material for the class 12 students. Some of the main biomolecules are carbohydrates, lipids, ATP molecules, proteins, and nucleic acids. Based on the behavior of hydrolysis carbohydrates are classified into

  • Monosaccharides – Some examples are ribose, glucose
  • Oligosaccharides – Some examples are sucrose, maltose
  • Polysaccharides – Some examples are glycogen, starch

Based on the presence of functional group and the number of carbon atoms, monosaccharides can be classified:

  • Aldose – When a monosaccharide contains an aldehyde group
  • Ketose – When a monosaccharide contains keto group

To revise various other topics of biomolecules such as the characteristics of biomolecules (carbohydrates, proteins, nucleic acids, and hormones), classification based on their structure, differences between RNA and DNA, etc.

CBSE Class 12 Chemistry Chapter 14 Notes 

Also Read:

Frequently asked Questions on CBSE Class 12 Chemistry Notes Chapter 14: Biomolecules

What are the uses of ‘Enzymes’?

Enzymes are used to make and improve nearly 400 everyday consumer and commercial products. They are used in foods and beverages processing, animal nutrition, textiles, household cleaning.

What is the meaning of ‘Oligo’?

Oligonucleotides, or oligos, are short single strands of synthetic DNA or RNA that serve as the starting point for many molecular biology applications.

What are the tests that can be performed for ‘Starch’ detection?

Iodine test is the test that can be performed for starch detection.

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