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Biomolecules

CBSE · Class 11 · Biotechnology

Quick revision notes for Biomolecules — CBSE Class 11 Biotechnology. Key concepts, formulas, and definitions for last-minute revision.

63 questions116 flashcards5 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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Full Notes

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 Biomolecules — Complete Chapter Overview, Biomolecules - Complete Chapter Concept Hierarchy, Correct vs Incorrect: Starch vs Cellulose — Why the Glycosidic Bond Matters. These are the concepts CBSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Biomolecules — CBSE Class 11 Biotechnology?
Understand the core concepts first, then work through the 63 practice questions available for this chapter. Revise formulas and 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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