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Biomolecules — Revision Notes

CBSE · Class 11 · Biotechnology

Biomolecules revision notes for CBSE Class 11 Biotechnology: 4 topics in quick points. Includes Carbohydrates, Fatty Acids and Lipids and Amino Acids.

63 questions116 flashcards4 formulas & key relations5 concepts

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Key Topics to Revise

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1. Carbohydrates

  • Carbohydrates are aldehyde and ketone derivatives of polyhydric alcohols.
  • The general formula of monosaccharides is $C_n(H_2O)_n$.
  • Monosaccharides are simple sugars which cannot be further hydrolysed into simpler forms.
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2. Fatty Acids and Lipids

  • Lipids are hydrophobic and soluble in organic solvents.
  • Lipids are broadly classified into simple lipids and compound lipids.
  • Simple lipids include fats and waxes.
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3. Amino Acids

  • Amino acids are the building blocks of proteins.
  • The general amino acid structure is NH2-C(H)(R)-COOH.
  • The central α-carbon is bonded to an amino group, carboxyl group, hydrogen, and R group.
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4. Protein Structure

  • Proteins are made of amino acids linked by peptide bonds.
  • Proteins perform many roles such as catalysis, transport, support, and signalling.
  • Protein structure has four levels: primary, secondary, tertiary, and quaternary.

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Key Concepts

Carbohydrates are one of the mostMonosaccharides are simple sugars which cannotA molecule with n chiral centresOligosaccharides are carbohydrates having twoPolysaccharides are polymers of more than

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.

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All CBSE Class 11 Biotechnology Revision Notes

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