ABO blood group system abscisic acid absorption spectrum abyssal zone acetylcholine acetyl-CoA acid acid precipitation acoelomate acrosome actin action potential active site adaptive radiation address-message concept Adenosine triphosphate adenylyl cyclase adrenal gland adrenodoxin aerobic organism age structure agonist AIDS albumin aldehydes aldosterone algae allantois allele allometry allopatric speciation allosteric binding site allosteric effector allosteric enzyme allosteric site allozyme alpha helix amino acid aminoacyl tRNA synthetase amino group amniocentesis amniote Amphiphile|amphipathic molecule anabolism anaerobic organism anaerobic respiration androgen anemia aneuploidy angiosperm anther anthrax antibiotic antibody anticodon antidiuretic hormone antigen apical dominance apical meristem apolipoprotein apoplast apoptosis aquaporin Archaea archegonium arteriosclerosis artery arthritis ascus asexual reproduction atomic number Adenosine triphosphate ATP ATP synthase atrioventricular valve atrium (heart) autoimmune disease autonomic nervous system autosome auxin axillary bud axon bacillary band bacteria bacteriochlorin bark (botany)|bark Barr body basal body basal metabolic rate Base (chemistry) base pair basement membrane basidiomycetes basidium B cell benthic zone beta sheet binary fission binding site bioassay biodiversity bioenergetics biogeochemical cycle biological magnification bioluminescence biome biopolymer biosphere blood blood–brain barrier blotting bond energy book lung botany bottleneck effect Bowman capsule brain stem bronchiole Brønsted acid Brønsted base Brownian movement bryophyte bubonic plague budding bulk flow] C3 plant C4 plant calcitonin calmodulin calorie Calvin cycle cancer capillary capsid carbohydrate carbon fixation carboxyl group cardiac muscle cardiac output cardiovascular system carotenoid cartilage catabolism catabolite activator protein catalyst catecholamine celiac disease cell (biology) cell cycle cell-mediated immunity cell membrane cellular respiration cellulose central nervous system centriole centrosome cerebellum cerebral cortex cerebrum chaperonin chemiosmosis chemoautotroph chemoheterotroph chemoreceptor chirality chi-square test chitin chlaeniitae chlamydospore chlorophyll chloroplast cholera cholesterol chromatin chromophore chromosome chytrid circadian rhythm cloning vector closed circulatory system cobalamin codominance codon coenzyme cofactor (biochemistry) collagen collecting duct commensalism competitive exclusion principle competitive inhibitor complementary DNA complement system condensation reaction conidium cork cambium corpulentapus corpus luteum cortex (anatomy) cotransport cotyledon covalent bond Chromosomal crossover cuticle cyanobacteria cyclic AMP cyclin cyclin-dependent kinase cytochrome cytochrome c oxidase cytochrome P450 cytokine cytoplasm cytotoxic T cell Dalton (unit) Darwinian fitness Darwinism decomposer dehydrogenase deletion (genetics) denaturation (biochemistry) dendrite dengue denitrification deoxyribonucleic acid deoxyribose depolarization desmosome deuterostome diabetes mellitus diastole diffusion digestion dihybrid cross dikaryon dikaryotic disaccharide DNA ligase DNA methylation DNA polymerase double circulation double helix Down syndrome drupe duodenum dynein ecdysone ecological niche ecology ecosystem effector cell electrochemical gradient electron electron acceptor electronegativity electron transport chain enantiomer facilitated diffusion FADH FADH2 fat feedback inhibition Fehling solution female fermentation (biochemistry) fetus Fick's law of diffusion fitness (biology) fitness landscape flagellum flavin adenine dinucleotide flavine flaviviridae flower fluid mosaic model food web foot and mouth disease fossil Francis Crick Francis Galton Thermodynamic free energy fundamental niche fungi Glyceraldehyde 3-phosphate G3P gall gall-inducing insect gamete gametophyte gastrula gel electrophoresis gene genetic drift gene duplication gene pool genetic code genetic equilibrium genetic fingerprint genetic recombination genetics gene regulatory network genetic carrier gene therapy genome genome project genomics genotype geologic time George W. Beadle glucose glycolipid glycolysis glycome glycomics glycoprotein glycoprotein Gobind Khorana Golgi apparatus Gondwana gradient gravitational biology gravitropism Gregor Mendel ground tissue growth curve (biology) Guthrie test habitat (ecology) HACEK organism halobacteria haploid Hardy–Weinberg principle heart Hela cell helper T cell Hepadnaviridae hepatitis B herbivore heredity hereditary disease hermaphrodite herpetology Hershey–Chase experiment heterochromatin heterotroph heterozygote Hfr cell hibernation hierarchy of life Hill reaction His tag histone homeobox homeostasis homologous recombination Homology (biology) homoplasy homozygote homunculus horizontal gene transfer hormone Host (biology) household gene human Human Genome Project humoral immunity hybrid (biology) Hybrid (biology) hydrolysis hydrolytic enzyme hygiene hyperpolarization (biology) ichthyology immune cell immune system immunology inbreeding inducibility asymptomatic carrier infertility inner matrix insect insectivores insulin intermediate filament intermembrane space interphase intestine intron invasive species ion channel isoenzyme isotonic (exercise physiology) James D. Watson|James Watson Jean-Baptiste Lamarck joint K-selection Kary Mullis karyoplasm karyotype keratin keystone species kidney kinesiology kinetic energy Klinefelter syndrome knock-out mouse Konrad Lorenz Krebs cycle (or citric acid cycle) KSL cells kwashiorkor Lac repressor lactic acid autotroph lagging strand lambda phage larva leading strand leaf White blood cells lichen organism|life form life light reactions limbic system limnology Lineweaver-Burk diagram lipase lipid liver locus (genetics) long-term potentiation Louis Pasteur lung Lynn Margulis Lyon hypothesis lysis lysozyme lytic cycle macroecology macroevolution macromolecules major histocompatibility complex (MHC) malaria male Malpighi layer monophyletic marburg virus Marcello Malpighi Marfan syndrome marine biology mass extinction mathematical biology mating Max Delbrück meiosis membrane transporter memory Memory B cell Mendelian inheritance meristem Mesowear metabolism metaphase metapopulation metazoa Michaelis-Menten kinetics microbe microbiology microevolution microfilament Microsatellite (genetics) microscope microtubules Miller–Urey experiment mimicry Mitchell hypothesis mitochondrial membrane mitochondrion mitosis mitotic spindle modern synthesis (20th century) modern evolutionary synthesis molecular biology molecular clock molecular evolution molecular genetics molecular phylogeny mollusc monoclonal antibody morphogenesis morphometrics morula MRI MTT assay mucous membrane - Muller's ratchet Multiple drug resistance multiresistance muscle mutagen mutation mutational meltdown Mutualism (biology) mycology myosin Nicotinamide adenine dinucleotide NAD NADH NADPH natural environment natural selection nephron nervous system neural plate neural tube neuron neuroscience neurospora crassa neurotransmitter neurula neutral theory of molecular evolution ecological niche nitrogen cycle non-competitive inhibition non-cyclic electron flow nondisjunction N-terminus nuclear lamina nucleolus nucleon nucleoside nucleosome nucleotide nutrition Okazaki fragment olfaction oncogene operator (biology) operon organ (anatomy) organelle organism origin of life Oscar Hertwig osmosis osmoregulation Oswald Avery outbreak outline of biochemical techniques ovalbumine ovary ovum oxidation Pyruvate decarboxylation oxidative decarboxylation oxidative phosphorylation Pangaea paleontology parallel evolution paraphyletic parasitism parasitology parthenogenesis passive transport Patau syndrome DNA paternity testing polymerase chain reaction PCR Overlap extension polymerase chain reaction PCR mutagenesis pentose phosphate pathway peptide peptide bond peripheral protein peroxisome Pfeffer cell phage phagocytosis phenotype phloem phospholipid phospholipid bilayer phosphorylation photobiology photolysis photon photophosphorylation photorespiration photosynthesis photosynthesis photosystem I photosystem II phycobilin phycobiliprotein phycocyanin phycology phylogenetics phylogeny phylogenetic tree physiology pigment placenta plankton plant plantae plant physiology plant sexuality plasma membrane plasmid plasmolysis plastid plate tectonics point mutation pollenizer pollination pollinator polymerase chain reaction polypeptide polyploidy polysaccharide Population (biology)|population population dynamics population ecology population genetics potential energy predation pregnancy primary nutritional groups primary structure primer (molecular biology)|primer prion prokaryote prometaphase promoter (biology)|promoter prophage prophase proprioception proteasome protein biosynthesis protein protein translocation proteolysis proteome proteomics protist protista proton pump protozoa pseudopod pteridophyte Punnett square purine punctuated equilibrium pyrimidine pyruvate oxidation quaternary structure r-selection radiobiology receptor (biochemistry) receptor (immunology) Genetic recombination|recombination Red Queen hypothesis|Red Queen Redox|redox reaction redox system Redox|reduction reflex Renal corpuscle Repeated sequence (DNA) replication bubble repressor reproduction reproductive system respiration (physiology) restriction enzyme retrovirus reverse genetics RFLP Rh blood group system ribosome RNA RNA virus Robert Koch root rough ER RuBP Rudolf Steiner saprobe sarcoplasmic reticulum scientific classification secondary metabolite secondary structure second messenger seed seed plant Selection (biology) Semiochemical sequencing blood plasma|serum semen Sewall Wright - sex linkage sexual reproduction sexual selection shigella Shoot (botany)|shoot signal transduction silk Sir Charles Lyell sister chromatid skeleton skin cell sleep smooth ER sociobiology speciation species Hans Spemann sperm spermatid spermatogenesis spermiogenesis spliceosome Splicing (genetics) spore sporophyte selective serotonin reuptake inhibitor SSRI starch Plant stem|stem stem cell Stem cell chip sticky end stoma stomach streptomycin structural biology structural gene substrate (biochemistry) substrate-level phosphorylation surface area-to-volume ratio symbiosis symbiogenesis synapomorphy synapse syngamy systematics systems biology T cell taphonomy taxis taxon Taxonomy (biology) telomere telophase tertiary structure testate amoebae testes Theodor Bilharz Theodor Boveri thermocline thermoregulation Thomas Hunt Morgan Thomas Malthus thylakoid Tobacco mosaic virus tobacco mosaic virus torpor Trait (biological) transcription (genetics)|transcription transcription factor transcriptional regulation Transformation (genetics)|transformation transgressive phenotype transport vesicle transposon Traube cell trophic level tropism tubulin tumor turgor Turner syndrome twin urea cycle vaccine vacuole varicella-zoster virus vascular cambium vascular tissue vein vertebrate vesicle (biology)|vesicle vesicular stomatitis virus vestibular system vicariance virology viral classification virus viral evolution viridamide visible light visual system|vision vitamin - 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