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  2. Glossary of biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_biology

    This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...

  3. List of commonly used taxonomic affixes - Wikipedia

    en.wikipedia.org/wiki/List_of_commonly_used...

    Meaning: a prefix used to make words with a sense opposite to that of the root word; in this case, meaning "without" or "-less". This is usually used to describe organisms without a certain characteristic, as well as organisms in which that characteristic may not be immediately obvious.

  4. Glossary of botanical terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_botanical_terms

    Lying against another part of the plant; when applied to a cotyledon, it means that an edge of the cotyledon lies along the folded radicle in the seed. [8]-aceae Suffix added to the word stem of a generic name to form the name of a taxonomic family; [9] for example, Rosaceae is the rose family, of which the type genus is Rosa. [10] achene

  5. List of Latin and Greek words commonly used in systematic ...

    en.wikipedia.org/wiki/List_of_Latin_and_Greek...

    This list of Latin and Greek words commonly used in systematic names is intended to help those unfamiliar with classical languages to understand and remember the scientific names of organisms. The binomial nomenclature used for animals and plants is largely derived from Latin and Greek words, as are some of the names used for higher taxa , such ...

  6. Glossary of genetics and evolutionary biology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_genetics_and...

    A set of two matching chromosomes, one maternal and one paternal, which pair up with each other inside the nucleus during meiosis. They have the same genes at the same loci, but may have different alleles. homology A similarity between a pair of structures, traits, or DNA sequences in different taxa that is due to shared ancestry. homoplasy

  7. Sigma - Wikipedia

    en.wikipedia.org/wiki/Sigma

    In biology, the sigma receptor (σ–receptors) is a type of cell surface receptor. In biochemistry , the σ factor (or specificity factor) is a protein found in RNA polymerase . In bone physiology , the bone remodeling period —i.e., the life span of a basic multicellular unit—has historically been referred to as the sigma period .

  8. Glossary of cellular and molecular biology (0–L) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_cellular_and...

    3' untranslated region (3'-UTR). Also three-prime untranslated region, 3' non-translated region (3'-NTR), and trailer sequence.. 3'-end. Also three-prime end.. One of two ends of a single linear strand of DNA or RNA, specifically the end at which the chain of nucleotides terminates at the third carbon atom in the furanose ring of deoxyribose or ribose (i.e. the terminus at which the 3' carbon ...

  9. Ploidy - Wikipedia

    en.wikipedia.org/wiki/Ploidy

    This scheme of diploid somatic cells and haploid gametes is widely used in the animal kingdom and is the simplest to illustrate in diagrams of genetics concepts. But this definition also allows for haploid gametes with more than one set of chromosomes. As given above, gametes are by definition haploid, regardless of the actual number of sets of ...