K (degree Kelvin; Potassium) K (Equilibrium Constant; Lysine) k (Kilo) K Cells (Killer Cells) K Vitamin (Antihemorrhagic Factor) K+ (Potassium ion) K+ Leak Channel K1 and K2 Vitamins K-562 (NADH-quinone Oxidoreductase Inhibitor) Ka (Acid Dissociation Constant) Ka (Affinity Constant) Kainate Receptor Kairomones Kala-Azar (Visceral Leishmaniasis (VL) Kallidin i (Bradykinin) Kallikrein Kallikrein (Callicrein) Kallmann Syndrome Kanamycin Kaolin Kaolin (China Clay) Kaolinite Kaposi Sarcoma Kappa () Kappa Chain Kappa Granules Kappa Particle Kappa Particles (Kappa Organisms) Kary- Kary Mullis (1944-2019) (Scientist) Karyocyte Karyogamy Karyogenesis Karyokinesis Karyolymph (Nucleoplasm) Karyolysis Karyon (Nucleus) Karyophile Karyoplasmic Ratio (Nucleocytoplasmic Ratio) Karyosome (Chromocenter) Karyotheca Karyotype Karyotype (2) Karyotypes Karyotyping Kat (Khat) (Kata edulis) Kata-, Cata- (down; against) Kataegis Katal Katal (Kat) Katalin Kariko and Drew Weissman (Scientist) Katathermometer Katin (Khatin or Qatin) Kawasaki Disease (Mucocutaneous Lymph node Syndrome) Kb (Base Dissociation Constant) kb (kilo base) Kcal (Kilocalorie; Nutritional Calori)) Kcat Kcat (Turnover Number) KCl (Potassium Chloride) Kd (Dissociation Constant) kDa (Kilo Dalton) kDa (Kilo Dalton) Kelp Kelvin (K) Kelvin (oK) Kelvin Degree (K) Kelvin Scale (2) Kelvin, Temperature Scale (K) Kendall’s Compounds Kepler’s Laws Keq (Equilibrium Constant) Keratin Keratin Keratinase Keratinization (Cornification) Keratin-α Keratin-β Kerosene Ketamine Keto- Keto Acid Keto Aldehyde Keto Group (-C-C(O)-C-) Ketoacid Reductoisomerase (KARI) Ketoacidosis Ketoaldose (Aldoketose) Ketoaldoses (Aldoketoses) Ketogenesis Ketogenic Ketogenic Aminoacid Ketogenic Diet Ketoglutarate (alpha-Ketoglutarate, 2-Oxoglutarate) Ketoglutarate Dehydrogenase Complex Ketoglutaric Acid (a-KG) Ketohexokinase (KHK) Ketohexose Ketol (Ketonic Alcohol) Ketol Acid (Oxoacid) Ketol Acid Reductoisomerase Ketolase Ketolysis Ketone Ketone Bodies (Acetone Bodies) Ketone Body ketone Compound (RCOR') Ketonemia Ketonic Ketonic Hypoglycemia Ketose Ketoses Ketosis Ketosteroid Isomerase (KSI) Ketotic Glycinemia Ketotic Hyperglycinemia KeV (kiloelectron volt) Kew Gardens (Royal Botanic Gardens) Key Characters Key Factor Analysis Key- Lock Hypothesis Kg (Kilogram) KG- (α-Keto α-glutaric) KHCO3 (Potassium Carbonate) KHSO4 (Potassium Bisulfate) Ki (Inhibitor Constant) KI (Potassium Iodide) Kidney Kidney Cancer Kidney Failure Kidney Function Kidney Function Test Kidney Function Test (KFT) Kieselguhr Kieselguhr Filter Killer Cells (K cells) Killer DNA (Genetic Weapon) Killer Factor (Killer RNA) Killer Lymphocytes Killer Paramecia Killer Paramecium Killer RNA (Killer Factor) killer Strain Killer T Cell (Natural Killer T Cell; Cytotoxic T Cell)) Killer T Cells Kilo (10+3) kilo Base (kb) Kilo Calorie (Kcal) Kilo Dalton (kDa) Kilo Electron Volt (KeV) Kilo Gram (Kg) Kilo Joule (KJ) Kilo Meter (Km) Kilo Watt (Kw) Kilobase (2) (Kilo Base; Kb) Kilobase (kb) Kilobase (kb) Kilocalorie (kcal) Kilogram (Kg) Kilogram (kg) Kilometer (km) Kin Selection Kin-, Kino- (to move) Kinase Kinase Kinase Inhibitor Kinases Kinesin Kinesin Kinesins Kinesis Kinesthesis (Kinaesthesis) Kinesthetic Sense Kinetic Kinetic Energy ()KE) Kinetics Kinetin Kinetochore Kinetochore Microtubule Kinetoplast King’s Water (Aqua Regia) (a mixture of concentrated HCl and HNO3) Kingdom Kingdom, Phylum, Class, Order, Family, Genus, Species Kinin Kinin Polypeptides Kininase Kininogenin (Kininogenase) Kino-, Kin- (to move) Kinomics Kirromycin Kissing Bug (Conenose Bug) Kit Kit Ligand KJ (Kilo Joule) Kjeldahl Method Kjeldahl Method (Kjeldahl Digestion) Klebsiella Bacteria Klett Unit Klinefelter’s Syndrome Klotho Protein km (Kilometer) Km (Michaelis-Menten Constant) KMNO4 (Potassium Permanganate) Knallgas Reaction Knife Breaker Knockdown Knock-in Gene Knocking Knockout Knock-out Gene (KO) Knockout Mouse (Knock-out Mouce) knockouts Knoop’s β-Oxidation Knots Knowledge Knowledge KO (Gene Knockout) Koch's Bacillus Koch’s Postulates Kojic Acid Kola Nuts (Cola Nuts) Koliker, Rudolf von Kolypeptic Koniology (Coniology) Kornberg Enzyme Koshland Model (KNF Model) KOZAK Sequence KPI (Key Performance Index) Kr (Krypton) KRAS Gene Krause End Bulbs Krause’s Membrane (Z- Band) Krebs Cycle (Citric Acid Cycle; TCA Cycle) Krebs Cycle (TCA) Krebs Cycle General Equation Krebs Urea Cycle (Krebs-Henseleit Cycle; Urea Cycle) Krebs-Henseleilt Cycle (Urea Cycle) Krebs-Kornberg Cycle (Glyoxylate Cycle) Krypton (Kr) KSHV (Kaposi's Sarcoma-Associated Herpes Virus) Ku Protein (DNA Repair Protein) KU Protein Tolerance KU70 and KU80 Proteins Kupffer Cells Kuru Kuru (Laughing Disease) Kw (Equilibrium Constant for Water) kW (kilowatt) Kwashiorkor (Buaki) kWh (kilowatt-hour) Kymograph (wave-writer) Kynurenic Acid (KYN) Kynureninase (L-Kynurenine Hydrolase) Kynurenine (Kyn)