Useful Links
Chemistry
Biochemistry
Biomolecules
Proteins
Amino Acids: Building Blocks
Essential Amino Acids
Non-essential Amino Acids
Amino Acid Structure
Amino Group
Carboxyl Group
Side Chains (R Groups)
Peptide Bonds
Chirality and Stereochemistry
Protein Structure
Primary Structure
Amino Acid Sequence
Importance of Sequence in Function
Secondary Structure
Hydrogen Bonding Role
Alpha Helix
Right-handed Helices
Role in Membrane Proteins
Beta Sheet
Parallel and Antiparallel Sheets
Stability Factors
Role in Fibrillar Proteins
Tertiary Structure
Folding and Stabilization
Hydrophobic Interactions
Disulfide Bonds
Domains and Motifs
Quaternary Structure
Subunit Interaction
Cooperativity
Examples (e.g., Hemoglobin)
Protein Functions
Enzymatic Catalysis
Active Sites
Cofactors and Coenzymes
Catalytic Mechanisms
Structural Proteins
Collagen
Keratin
Elastin
Transport Proteins
Hemoglobin and Myoglobin
Membrane Transporters
Signaling Proteins
Receptors
G-Proteins
Immune Proteins
Antibodies
Complement Proteins
Enzyme Kinetics
Michaelis-Menten Kinetics
Km and Vmax
Graphical Representation
Enzyme Inhibition
Competitive Inhibition
Effect on Km and Vmax
Non-competitive Inhibition
Effect on Enzyme Activity
Uncompetitive Inhibition
Impact on Enzyme Kinetics
Nucleic Acids
DNA Structure and Function
Double Helix Model
Watson-Crick Base Pairs
Major and Minor Grooves
Base Pairing
Hydrogen Bonding
Complementary Strands
DNA Replication
DNA Polymerases
Leading and Lagging Strands
Replication Fork
RNA Structure and Function
mRNA, tRNA, rRNA
Structure Differences
Functions in Protein Synthesis
Transcription and Translation
Transcription Factors
Ribosomes and Ribosomal RNA
RNA Editing and Processing
Splicing
5' Capping and Polyadenylation
Genetic Code
Codon Structure
Redundancy and Wobble Hypothesis
Mutations and DNA Repair
Point Mutations
Frameshift Mutations
DNA Repair Mechanisms
Excision Repair
Mismatch Repair
Carbohydrates
Monosaccharides
Structure and Classification
Isomerism (Alpha and Beta Forms)
Disaccharides
Glycosidic Bonds
Common Disaccharides (e.g., Sucrose, Lactose)
Polysaccharides
Homopolysaccharides vs. Heteropolysaccharides
Functions in Energy Storage and Structural Integrity
Glycogen and Starch
Storage in Animals vs. Plants
Branching Patterns
Cellulose
Role in Plant Cell Walls
Linear Chains and Hydrogen Bonding
Glycoproteins and Glycolipids
Role in Cell Membranes
Functions in Cell Recognition
Lipids
Fatty Acids
Saturated vs. Unsaturated Fatty Acids
Cis and Trans Configurations
Triglycerides
Structure and Function
Energy Storage
Phospholipids
Amphipathic Nature
Membrane Structure
Steroids and Sterols
Cholesterol and Hormone Precursor Role
Steroid Hormones
Lipoproteins
Transport of Lipids in Blood
Types (e.g., LDL, HDL)
Biological Membranes
Lipid Bilayer Structure
Fluidity and Membrane Proteins
1. Fundamental Concepts in Biochemistry
First Page
3. Metabolism