Biomolecules
Uttarakhand Board · Class 11 · Biology
Summary of Biomolecules for Uttarakhand Board Class 11 Biology. Key concepts, important points, and chapter overview.
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Overview
Biomolecules are the fundamental chemical compounds found in all living organisms. Despite the incredible diversity of life on Earth, all living beings share remarkably similar chemical compositions and metabolic processes. This chapter explores the various types of biomolecules, their structures, f
Key Concepts
When living tissues are analyzed using
When living tissues are analyzed using trichloroacetic acid, they separate into two fractions: acid-soluble pool (containing small molecules like amin
Amino acids are α
Amino acids are α-amino acids with four groups attached to the central carbon: hydrogen, amino group (-NH₂), carboxyl group (-COOH), and variable R gr
Lipids are generally water
Lipids are generally water-insoluble molecules including fatty acids, glycerol, and their combinations. They can be saturated or unsaturated, and incl
Polysaccharides are long chains of sugar
Polysaccharides are long chains of sugar units (monosaccharides). Examples include cellulose (structural component in plant cell walls), starch (energ
Nucleic acids (DNA and RNA)
Nucleic acids (DNA and RNA) are polynucleotides composed of nucleotides. Each nucleotide has three components: a nitrogenous base (purines: adenine, g
Learning Objectives
- Understand the chemical composition of living organisms and how it differs from non-living matter
- Classify biomolecules into different categories based on their structure and function
- Learn about the structure and properties of amino acids, lipids, carbohydrates, and nucleic acids
- Analyze the hierarchical structure of proteins (primary, secondary, tertiary, and quaternary)
- Understand enzyme structure, function, and factors affecting enzyme activity
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