179 results found

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Allopatric speciation

We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More

Directed case study method for teaching human anatomy and physiology

DIRECTED CASE STUDY METHOD FOR TEACHING HUMAN ANATOMY AND PHYSIOLOGY William H. Cliff and Ann W. Wright Department of... Read More

Depolarization

Depolarization is the removal of polarity by a process or action. It might also be used to describe how such activity leads... Read More

Fundamentals of Anatomy & Physiology (7th Ed) by F.H. Martini

Fundamentals of Anatomy & Physiology (7th Edition)      ... Read More

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More

Microscope

Microscope (Science: instrument) A piece of laboratory equipment that is used to magnify small things that are too small to... Read More

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Axon

What Is Axon? An axon is a thin, long fiber of a nerve cell (or neuron). It transmits electrical impulses from the cell... Read More

Deoxythymidine

Definition noun plural: deoxythymidines A pyrimidine nucleoside that has thymine attached to the pentose sugar... Read More

Precursor mRNA

Definition noun plural: precursor mRNAs An immature or incompletely processed mRNA molecule in eukaryotes that needs to be... Read More

Prophase I

Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More

Phenotypic ratio

Phenotypic Ratio Definition How would one define phenotypic ratio? The correlation between the amount of offspring that... Read More

Nucleoporin

Definition noun plural: nucleoporins Any of the family of porins that make up the nuclear pore complex Details Overview... Read More

Nuclear pore complex

Definition noun plural: nuclear pore complexes ˈnu kli ər, pɔː ˈkɒmplɛks A complex of nucleoporins resulting in the... Read More

Biology: Concepts & Connections with Student CD-ROM (5th Edition)

Biology: Concepts & Connections with Student CD-ROM (5th Edition)   ... Read More

Hydrogen bond

Definition noun plural: hydrogen bonds A type of chemical bond that is formed when the slightly positive hydrogen atom of... Read More

Uridine

Definition noun plural: uridines u·ri·dine, ˈjʊə.ɹɪ.din A pyrimidine nucleoside that has uracil attached to the... Read More

Polynucleotide

Definition noun plural: polynucleotides pol·y·nu·cle·o·tide, ˌpɒlɪˈno͞o′klē-ə-tīd A biopolymer comprised of... Read More

Ribosomal ribonucleic acid

Definition noun plural: ribosomal ribonucleic acids ri•bo•so•mal ri•bo•nu•cle•ic ac•id, ˈraɪ... Read More

Sphenodon guntheri

Definition The tuatara species of the genus Sphenodon that inhabits one small island of New Zealand, i.e. Brothers... Read More

Euphlyctis hexadactylus

Definition noun A species belonging to the taxonomic family Dicroglossidae of the order Anura, and commonly called the green... Read More

Messenger ribonucleic acid

Definition noun plural: messenger ribonucleic acids mes•sen•ger ri•bo•nu•cle•ic ac•id, ˈmɛ.sɪn.dʒəɹ... Read More

Transfer ribonucleic acid

Definition noun plural: transfer ribonucleic acids trans•fer ri•bo•nu•cle•ic ac•id, ˈtɹænsfɝ... Read More

Nucleobase

Definition noun plural: nucleobases (biochemistry) The base in the nucleic acid, e.g. purines and pyrimidines Details ... Read More

Flavin adenine dinucleotide

Definition noun plural: flavin adenine dinucleotides fla·vin ad·e·nine di·nu·cle·o·tide, ad·e·nine... Read More

Cyclic adenosine monophosphate

Definition noun plural: cyclic adenosine monophosphates (biochemistry) A cyclic form of adenosine monophosphate that... Read More

Cytidine

Definition noun plural: cytidines cy·ti·dine, ˈsaɪtɪdiːn A pyrimidine nucleoside that has cytosine attached to the... Read More

Mutualistic symbiosis

Mutualistic Symbiosis Definition In order to understand what a mutualistic symbiotic relationship means, we will break down... Read More

Maltose

Definition noun plural: maltoses mal·tose, ˈmɔːltəʊz A reducing disaccharide formed when two glucose monomers join... Read More

Pyrimidine

Definition noun plural: pyrimidines py·rim·i·dine, py·rim·i·dine A heterocyclic aromatic compound that presents as... Read More

Cell matrix

Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More

Kingdom Animalia

Kingdom Animalia Definition Each person can say that they know of or can name at least one animal. However, do people know... Read More

Ribonucleotide

Definition noun plural: ribonucleotides ri·bo·nu·cle·o·tide, ˌraɪbəʊˈnjuːklɪəˌtaɪd A form of nucleotide in... Read More

Cytidine triphosphate

Definition noun plural: cytidine triphosphates (biochemistry) An organic compound that is composed of cytidine (a cytosine... Read More

Cytosol

Definition noun plural: cytosols cy·to·sol, ˈsaɪtəˌsɒl (cell biology) The liquid component of the cytoplasm... Read More

Cisterna

Definition noun plural: cisternae cis·ter·na, sɪˈstɜːnə (cell biology) The flattened membrane disk containing... Read More

Cellobiose

Definition noun plural: cellobioses cel·lo·bi·ose, ˌsɛləʊˈbaɪəʊz A disaccharide made up of two glucose... Read More

Fine Adjustment knob

Fine Adjustment knob part of the microscope that is used for focusing finer details of specimen being viewed. Objectives... Read More

Cell theory

What Is Cell Theory? Biological cell theory explains the idea of organismal constitution, structure, and function. It... Read More

Nucleoid

Definition noun plural: nucleoids nu·cle·oid, ˈnjuːklɪˌɔɪd The portion within a prokaryotic cell where the... Read More