Rajat Abhijeet, Author at Sonali Singh

Chemical Coordination and Integration

Quick Summary: Chemical Coordination and Integration covering Endocrine vs Exocrine Glands, Hypothalamus Neurohormones, Pituitary Gland Divisions (Adenohypophysis & Neurohypophysis), Growth Hormone Disorders (Gigantism, Acromegaly, Dwarfism), Thyroid Gland ($T_3, T_4$, Calcitonin & Disorders), Parathyroid Hormone (PTH), Thymus Gland, Pineal Gland (Melatonin), Adrenal Gland (Medulla Catecholamines & Cortex Corticoids), and Pancreas (Insulin & Glucagon Regulation). Chemical Coordination […]

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Principles of Inheritance and Variation

General Biology

Quick Summary: Genetics Principles of Inheritance and Variation covering Mendelian Terminology, Garden Pea Selection, Monohybrid & Dihybrid Crosses, Punnett Squares & Shortcut Formulas, Test Cross & Back Cross, Non-Mendelian Genetics (Incomplete Dominance, Co-dominance, Multiple Allelism, Pleiotropy, Polygenic Inheritance), Epistasis, Chromosomal Theory of Inheritance, Morgan’s Drosophila Experiments & Linkage Groups, Recombination & Gene Mapping, and Chromosomal/Environmental

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Molecular Basis of Inheritance

General Biology

🧬 Molecular Basis of Inheritance – The Blueprint of Life Quick Summary: Molecular Basis of Inheritance covering DNA/RNA Structure, Nucleotides & Bonds, Chargaff’s Rules & Numericals, Double Helix Anatomy, DNA Packaging (Histones & Nucleosome), Griffith & Hershey-Chase Experiments, DNA Replication Mechanics (Enzymes, Y-Fork, Meselson-Stahl), Transcription Unit (Promoter, Structural Gene, Terminator), Post-Transcriptional Modifications (Splicing, Capping, Tailing),

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Plant Reproductive System

Botany

Quick Summary: Plant Reproductive System, Flower Structure & Whorls, Microsporogenesis & Anther Wall Layers (Epidermis, Endothecium, Middle Layer, Tapetum), Pollen Structure (Exine & Intine), Pollen Viability & Storage, Gynoecium & Ovule Types (Anatropous, Orthotropous, etc.), Megasporogenesis & 7-celled 8-nucleate Embryo Sac Development, Pollination Types (Autogamy, Geitonogamy, Xenogamy) & Agents (Wind, Water, Insects), Outbreeding Devices, Double

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Plant Kingdom

Botany

Quick Summary: Plant Kingdom covering Systems of Classification (Artificial, Natural, Phylogenetic), Plant Kingdom Terminology, Algae / Thallophyta (Chlorophyceae, Phaeophyceae, Rhodophyceae comparison), Bryophytes (Liverworts & Mosses, Life Cycle, Importance), Pteridophytes (First Vascular Plants, Prothallus, Sporophylls, 4 Classes), Gymnosperms (Naked Seeds, Pinus vs. Cycas comparison, Life Cycle), and Angiosperm Extremes. 1. Systems of Classification & Botanical Terminology

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Biotechnology: Principles and Processes

General Biology

Quick Summary: Biotechnology covering EFB Definition, Principles of Genetic Engineering & Bioprocess Engineering, Key Tools of Recombinant DNA (rDNA) Technology, Restriction Enzymes (Endonucleases vs Exonucleases, Palindromic Cleavage, Sticky vs Blunt Ends), Cloning Vectors (pBR322 Map, Selectable Markers, Insertional Inactivation, pUC8, Ti-Plasmid, Retroviruses), Steps in rDNA Technology (Isolation, Gel Electrophoresis, PCR Amplification, Ligation, Host Transformation/Competent Cells,

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Biotechnology and Its Applications

General Biology

Quick Summary: Biotechnology, Critical Research Areas of Biotechnology, Agricultural Applications (Green Revolution vs. Tissue Culture vs. GMOs), Golden Rice, Pest-Resistant Plants (Bt Cotton & Cry Genes, Transgenic Hirudin), RNA Interference (RNAi in Tobacco against Meloidogyne incognita, Flavr Savr Tomato), Medical Applications (Humulin / Recombinant Insulin Synthesis, Gene Therapy for ADA Deficiency), and Molecular Diagnostics (PCR,

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Biological Classification

General Biology

Quick Summary: Biological Classification covering Systems of Classification (Aristotle, 2-Kingdom Linnaeus, 3-Kingdom Haeckel, 4-Kingdom Copeland, 5-Kingdom Whittaker, 3-Domain Carl Woese), Kingdom Monera (Archaebacteria, Cyanobacteria, Heterocysts, Mycoplasma, Bacterial Nutrition & Reproduction), Kingdom Protista (Chrysophytes, Dinoflagellates, Euglenoids, Slime Moulds, Protozoans), Kingdom Fungi (Spore Types, Plasmogamy/Karyogamy, Dikaryon Phase, Phycomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes), and acellular organisms. Biological Classification 1.

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Photosynthesis in Higher Plants

Botany

Quick Summary: Plant Physiology covering Early Historical Experiments (Priestley, Ingenhousz, Sachs, Van Niel, Ruben & Kamen), Chloroplast Anatomy & Chloroplast Movement, Light-Harvesting Complexes & Photosynthetic Pigments (Chlorophyll-a, b, Carotenoids, Xanthophylls), Action vs. Absorption Spectrum (Engelmann’s Experiment), Cyclic vs. Non-Cyclic Photophosphorylation (Z-Scheme & Oxygen Evolving Complex), Mitchell’s Chemiosmotic Hypothesis (Proton Gradient & ATP Yield), $C_3$ Calvin

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Respiration in Plants

Botany

Quick Summary: Respiration in Plants, Cellular Respiration Basics & Substrates (Floating vs Protoplasmic), Plant Gaseous Exchange (Stomata & Lenticels), Glycolysis / EMP Pathway (10 Enzymatic Steps & Substrate-Level Phosphorylation), Anaerobic Fermentation (Alcoholic vs Lactic Acid), Link Reaction / Oxidative Decarboxylation (Pyruvate Dehydrogenase), Krebs / TCA / Citric Acid Cycle (Steps, Enzymes, Mnemonic), Respiratory Balance Sheet

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Plant Growth and Development

Botany

Quick Summary: Plant Growth Characteristics (Localized, Indeterminate, Open form), Growth Phases (Meristematic, Elongation, Maturation), Growth Rate Mathematics (Arithmetic vs. Geometric Growth, Sigmoid Curve), Absolute vs. Relative Growth Rates, Conditions for Growth, Cellular Differentiation, Dedifferentiation, & Redifferentiation, Plasticity (Heterophilly), and Plant Growth Regulators (PGRs) – Auxins, Gibberellins, Cytokinins, Ethylene, and Abscisic Acid (ABA). 1. Growth Features, Parameters

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Anatomy of Flowering Plants

Botany

Quick Summary: Plant Anatomy covering Plant Tissues Classification (Meristematic vs Permanent), Simple Permanent Tissues (Parenchyma, Collenchyma, Sclerenchyma), Complex Permanent Tissues (Xylem & Phloem Components, Exarch vs Endarch), Tissue Systems (Epidermal, Ground, Vascular), Stomatal Apparatus (Dicot vs Monocot Guard Cells), Vascular Bundle Types (Radial, Conjoint Collateral Open/Closed, Bicollateral), Stele Architecture, Internal Anatomy of Dicot & Monocot

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