ASL STEM

Ligand Sign Video

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Definition

A molecule that specifically binds to a receptor; for example, a hormone (ligand) binds specifically to its receptor on the cell surface.

Source: Hickman, C.P., et al. 2011. Integrated Principles of Zoology. Fifteenth Edition. McGraw-Hill Higher Education.

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> Science

> Natural Science

> Zoology

> Ligand

+ Rna

+ Ecosystem

+ Character Displacement

- Ligand *

+ Directional Selection

+ Asymmetric Competition

+ Chemoautotroph

+ Consumer

+ Demography

+ Dominance Hierarchy

+ Density Independent

+ Dispersal

+ Ecotone

+ Evolutionary Stable Strategy

+ Incomplete Dominance

+ Biogeochemical Cycle

+ Messenger Rna (M Rna)

+ Acetylcholinesterase *

+ Accessory (Coreceptor) Molecule *

+ Abyssal Plain *

+ Acanthodians *

+ Acanthor *

+ Accessory (Branchial) Heart *

+ Delayed Type Hypersensitivity *

+ Actomyosin System *

+ Acetyl Coenzyme A *

+ Adenosine Phosphate *

+ Alcoholic Fermentation *

+ Allelic Frequency *

+ Allograft *

+ Allergy

+ Antennal Gland *

+ Alternative Pathway *

+ Altricial *

+ Altruistic Behavior *

+ Alula *

+ Ambulacra *

+ Ameboid Movement *

+ Ameiotic Parthenogenesis *

+ Antigenic Determinant *

+ Antigen Presenting Cell *

+ Antimicrobial Peptides *

+ Arginine Phosphate *

+ Aristotle's Latern *

+ Autotrophic Nutrition *

+ Basis, Basipodite *

+ Behavioral Syndrome *

+ Behavioral Ecology *

+ Bilirubin *

+ Biological Species Concept *

+ Calciferous Glands *

+ Catastrophic Species Selection *

+ Catch Collagen *

+ Caudal *

+ Caveolae *

+ Cell Mediated Immune Response *

+ Chlorogogen Cells *

+ Chorioallantoic Membrane *

+ Chorioallantoic Placenta *

+ Choriovitelline Placenta *

+ Coenecium, Coenoecium *

+ Coenenchyme *

+ Coenosarc *

+ Cohesion Species Concept *

+ Comparative Biochemistry *

+ Comparative Cytology *

+ Comparative Morphology *

+ Comparative Psychology *

+ Conditional Specification *

+ Cone *

+ Conodonts *

+ Conspecific *

+ Continental Margin *

+ Coxa, Coxopodite *

+ Complementary *

+ Contractile Vacuole *

+ Complementary Dna (C Dna)

+ Competition *

+ Competitive Exclusion *

+ Endoplasm *

+ Conus Arteriosus *

+ Convexity *

+ Cooperative Behavior *

+ Creatine Phosphate *

+ Cretaceous Extinction *

+ Cutaneous Respiration *

+ Cuticle *

+ Cuvierian Tubules *

+ Cytoplasmic Specification *

+ Cytotoxic T Cells *

+ Dactylozooid *

+ Dendritic Cell *

+ Diphyodont *

+ Density Dependent *

+ Deoxyribose *

+ Depolarization *

+ Derived Character State *

+ Discoidal Cleavage *

+ Disruptive Selection *

+ Direct Development *

+ Disjunct Distribution *

+ Dual Gland Adhesive Organs *

+ Ecdysozoan Protostome *

+ Ecocline *

+ Ecological Community *

+ Ecological Pyramid *

+ Effect Macroevolution *

+ Endopod, Endopodite *

+ Endoplasmic Reticulum (Er)

+ Epipod, Epipodite *

+ Erythroblastosis Fetalis *

+ Evolutionary Duration *

+ Evolutionary Sciences *

+ Exopterygote *

+ Evolutionary Species Concept *

+ Evolutionary Taxonomy *

+ Exopod, Exopodite *

+ Experimental Method *

+ Experimental Sciences *

+ Female Defense Polygyny *

+ Fundamental Niche *

+ Gastrovascular Cavity *

+ General Area Cladogram *

+ Gross Productivity *

+ Gynecophoric Canal *

+ Habitat Fragmentation *

+ Hierarchical System *

+ High Heat Of Vaporization *

+ High Specific Heat Capacity *

+ High Surface Tension *

+ Histogenesis *

+ Histology *

+ Histone *

+ Holoblastic Cleavage *

+ Holometabolous *

+ Holophytic Nutrition *

+ Holozoic Nutrition *

+ Homolog, Homologue *

+ Homology *

+ Hyperpolarization *

+ Hypertonic *

+ Homoplasy *

+ Humoral *

+ Humoral Immune Response *

+ Hydrostatic Pressure *

+ Hydrostatic Skeleton *

+ Hydrothermal Vent *

+ Hypothetico Deductive Method *

+ Ichthyosaur *

+ Immediate Hypersensitivity *

+ Immunoglobulin *

+ Imprinting *

+ Inbreeding *

+ Interbreeding Population *

+ Incus *

+ Indeterminate Cleavage *

+ Indigenous *

+ Indirect Development *

+ Infraciliature *

+ Infundibulum *

+ Ingression *

+ Inheritance Of Acq Character *

+ Instar *

+ Integument *

+ Interferons *

+ Intermediate Filaments *

+ Intermediary Meiosis *

+ Intermediate Host *

+ Internal Nostrils *

+ Intrinsic Growth Rate *

+ Juxtaglomerular Apparatus *

+ Lateral Line System

+ Law Of Independent Assortment *

+ Microgamete *

+ Law Of Segregation *

+ Lophotrochozoan Protostome *

+ Male Dominance Polygyny *

+ Membrane Potential *

+ Malpighian Tubules *

+ Mandible *

+ Mangrove Community *

+ Metapopulation Dynamics *

+ Mineralocorticoids *

+ Mixed Temperate Forest *

+ Mononuclear Phagocyte System *

+ Monophyly *

+ Monosaccharide *

+ Monosomy, Monosomic *

+ Morphogenetic Determinant *

+ Mosaic Development *

+ Mullerian Mimicry *

+ Mulller's Larva *

+ Multiplication Of Species *

+ Natural Killer Cells *

+ Nematocyst *

+ Neo Darwinism *

+ Neoplastic Growth *

+ Neurosecretory Cell *

+ Niche Overlap *

+ Nictitating Membrane *

+ Olfactory Epithelium *

+ Outgroup Comparison *

+ Oxidative (Aerobic) Metabolism *

+ Oxidative Phosphorylation *

+ Paramylon Granules *

+ Parapatric Speciation *

+ Particulate Inheritance *

+ Pentamerous Symmetry *

+ Peptidase *

+ Peptide Bond *

+ Perennibranchiate *

+ Permian Extinction *

+ Perpetual Change *

+ Petaloids *

+ P H (Potential Of Hydrogen) *

+ Phagosome *

+ Phagotroph *

+ Phasmid *

+ Phenetic Taxonomy *

+ Phyllopodium *

+ Phenotypic Gradualism *

+ Phosphagen *

+ Phosphate Group *

+ Phototrophs *

+ Phyletic Gradualism *

+ Phylogenetic Species Concept *

+ Pleiotropy, Pleiotropic *

+ Polymerase Chain Reaction

+ Polygenic Inheritance *

+ Polysome (Polyribosome) *

+ Polyspermy *

+ Polytene Chromosomes *

+ Populational Gradualism *

+ Porocyte *

+ Portal System *

+ Positive Assortative Mating *

+ Preformation *

+ Prehensile *

+ Premunition *

+ Primary Bilateral Symmetry *

+ Primary Heterotroph *

+ Prion *

+ Polytypic *

+ Prebiotic Synthesis *

+ Precocial *

+ Predaceous, Predacious *

+ Predation *

+ Primary Organizer *

+ Primary Radial Symmetry *

+ Protein Polymorphism *

+ Proteome *

+ Prothoracic Glands *

+ Punctuated Equilibrium *

+ Quaternary Structure *

+ Prothoracicotropic Hormone *

+ Protopod, Protopodite *

+ Reciprocal Altruism *

+ Redia *

+ Regulative Development *

+ Renin *

+ Rennin *

+ Rostrum *

+ Reproductive Barrier *

+ Restriction Endonuclease *

+ Receptor Mediated Endocytosis *

+ Relative Fitness *

+ Releaser *

+ Reproductive Community *

+ Repugnatorial Glands *

+ Resource Defense Polygyny *

+ Rete Mirabile *

+ Reticular *

+ Reticuloendothelial System *

+ Ribosomal Rna (R Rna) *

+ Ribonucleic Acid (Rna) *

+ Rostellum *

+ Rotational Cleavage *

+ Saprozoic Nutrition *

+ Saturated Fatty Acid *

+ Schizocoelous Mesoderm Formation *

+ Schizogony *

+ Scientific Revolution *

+ Sea Grass Bed *

+ Secondary Induction *

+ Secondary Structure *

+ Sedentary *

+ Segment Polarity Genes *

+ Selectively Permeable *

+ Seminiferous Tubules *

+ Sequential Hermaphrodite *

+ Set (Of Chromosomes) *

+ Seta *

+ Sociobiology *

+ Sibling Species *

+ Sickle Cell Anemia *

+ Sinoatrial Node (Sa) *

+ Smallest Distinct Groupings *

+ Socially Coordinated Behavior *

+ Southern Evergreen Forests *

+ Source Deme *

+ Species Diversity *

+ Species Epithet *

+ Species Selection *

+ Spemann Organizer *

+ Superficial Cleavage *

+ Squamous Epithelium *

+ Stabilizing Selection *

+ Stereotyped Behavior *

+ Suspension Feeder *

+ Swim Bladder *

+ Sympatric Speciation *

+ Symplesiomorphy *

+ Zoecium, Zooecium *

+ Synapomorphy *

+ Synapsids *

+ Synapsis *

+ Synaptonemal Complex *

+ Syncytial Specification *

+ Tectorial Membrane *

+ Temporary Land Bridge *

+ Tentaculocyst *

+ Tergum *

+ Tertiary Structure *

+ Testcross *

+ Tetrad *

+ Theca *

+ Tiedemann's Bodies *

+ Tight Junction *

+ Titer *

+ Trophoblast *

+ Toll Like Receptors (Tl Rs) *

+ Tympanic Membrance *

+ Trabecular Reticulum *

+ Tracheal System *

+ Tracheole *

+ Trachyline *

+ Transcription Factor *

+ Tumor Necrosis Factor *

+ Type Specimen *

+ Transformational Theory *

+ Tube Feet (Podia) *

+ Tubercle *

+ Tumor Suppressor Gene *

+ Undulating Membrane *

+ Ungulate *

+ Typhlosole *

+ Uniformitarianism *

+ Variational Theory Of Evolution *

+ Typological Species Concept *

+ Unique Density Behavior *

+ Unsaturated Fatty Acid *

+ Vitelline Membrane *

+ Vicariance Biogeography *

+ Vicariant Speciation *

+ Vitellaria *

+ Water Vascular System *

+ Facilitated Diffusion *

+ Facilitated Transport *

+ Homograft *

+ Proximate Cause *

+ Immediate Cause *

+ Intermediate Inheritance *

+ Major Histocompatibility Complex *

+ Microvillus *

+ Microthrix *

+ Morphological Species Concept *

+ Juvenile Hormone *

+ Neotenine *

+ Phylogenetic Systematics *

+ Proto Oncogene *

+ Quantitative Inheritance *

+ 3' End (Three Prime End)

+ Determinate Cleavage

+ Binomial Nomenclature

+ Eukaryote, Eukaryotic

+ Antibodies

+ Prokaryote, Prokaryotic

+ Allopatric Speciation

+ Coenzyme

+ Disulfide Bond

+ Cis Regulation

+ Condensation Reaction

+ Darwinism

+ Deoxyribonucleic Acid (Dna)

+ Homeotic Genes *

+ 1,25 Dihydroxyvitamin D3

+ Carbohydrates

+ Transfer Rna (T Rna)

+ Hardy Weinberg Equilibrium

+ Synchronous Hermaphrodite *

* video needed

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