Cq-Platform https://validator.w3.org/feed/docs/rss2.html Gateway Blog Chemistry Biological redox systems (hemoglobin, metabolism). Electrolytic cells & Faraday’s laws. Galvanic cells, standard electrode potentials. Balancing redox equations. Oxidation-reduction reactions. Applications in biological systems (blood buffer, respiratory equilibrium). Solubility product (Ksp) & common ion effect. Acid-base equilibrium: Ka, Kb, pKa, pH, buffers. Equilibrium constant (Kc, Kp). Dynamic equilibrium, Le Chatelier’s principle. Reaction mechanisms & rate laws. Reaction rates: factors affecting rate, catalysts, activation energy. Endothermic vs exothermic reactions. Enthalpy, entropy, Gibbs free energy. Laws of thermodynamics (focus on 1st and 2nd). Acid-base concepts: Arrhenius, Brønsted-Lowry, Lewis. Colligative properties: boiling point elevation, freezing point depression, osmotic pressure. Solutions: solubility, concentration units (M, m, %, ppm). Gas laws (Boyle’s, Charles’, Avogadro’s, Ideal Gas Law). Properties of solids, liquids, gases. Stoichiometry: mole concept, molar mass, chemical equations, limiting reagents. Molecular geometry and polarity (VSEPR theory). Chemical bonding: [ ionic, covalent, metallic, hydrogen bonding. ] Periodic table trends: atomic radius, electronegativity, ionization energy. Atomic structure: protons, neutrons, electrons. Biology Ethical issues in biotechnology Biomedical applications (stem cells, cloning, regenerative medicine) Industrial microbiology (antibiotics, fermentation) Microbiology basics (bacteria, viruses, fungi, protozoa) Biotechnology in agriculture (Bt crops, biofertilizers) Biotechnology in medicine (vaccines, gene therapy, CRISPR) Genetic engineering (transgenic organisms, GM crops) Recombinant DNA technology Human impact on environment & sustainability Population growth & carrying capacity Environmental issues (pollution, climate change, global warming) Biodiversity & conservation Ecosystems (forest, desert, aquatic) Biogeochemical cycles (carbon, nitrogen, water, phosphorus) Food chains, food webs, ecological pyramids Levels of organization (population, community, ecosystem, biosphere) Plant adaptations & ecology Pollination & fertilization in angiosperms Reproduction in plants (sexual & asexual) Plant hormones (auxins, gibberellins, cytokinins, abscisic acid, ethylene) Transport in plants (xylem, phloem)