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Biomolecules — Chapter Summary

CBSE · Class 11 · Biotechnology

Summary of Biomolecules for CBSE Class 11 Biotechnology. Key concepts: Carbohydrates are one, Monosaccharides are simple and A molecule with n chiral.

63 questions116 flashcards4 formulas & key relations5 concepts

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Overview

Biomolecules are the organic compounds that form the basic material of living cells. Carbohydrates, lipids, proteins, and nucleic acids are the four major groups. They provide energy, structure, storage, regulation, and genetic information. Cell membranes contain lipids and proteins, cell walls cont

Key Concepts

Carbohydrates are one of the most

Carbohydrates are one of the most abundant classes of biomolecules in nature and found widely distributed in all life forms. They are major sources of

Monosaccharides are simple sugars which cannot

Monosaccharides are simple sugars which cannot be further hydrolysed into simpler forms. They have the general formula Cn(H2O)n and may be aldoses or

A molecule with n chiral centres

A molecule with n chiral centres can have 2n stereoisomers. Glyceraldehyde has 2 stereoisomers, and glucose has 16. Most sugars in biological systems

Oligosaccharides are carbohydrates having two

Oligosaccharides are carbohydrates having two to ten monosaccharide units joined by glycosidic bonds. Common examples include disaccharides and trisac

Polysaccharides are polymers of more than

Polysaccharides are polymers of more than ten monosaccharide units joined by glycosidic linkages. They may be storage polysaccharides or structural po

Learning Objectives

  • Classify carbohydrates, lipids, amino acids, proteins, and nucleic acids.
  • Describe the structure and properties of monosaccharides, polysaccharides, fatty acids, amino acids, proteins, DNA, and RNA.
  • Explain how structure is linked to function in biomolecules.
  • Identify important examples such as starch, glycogen, cellulose, cholesterol, and DNA.
  • Understand the basic ideas of stereoisomerism, peptide bonding, protein folding, and base pairing.

Frequently Asked Questions

What are the important topics in Biomolecules for CBSE Class 11 Biotechnology?
Key topics in Biomolecules include Carbohydrates, Fatty Acids and Lipids, Amino Acids, Protein Structure. Study these first, then practise questions on each for Class 11 exams.
How should I revise Biomolecules for Class 11 exams?
Learn the core ideas first, then work through the 63 practice questions on Biomolecules. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Biomolecules

All CBSE Class 11 Biotechnology Chapter Summary

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