Acetyl CoA Small, water-soluble metabolite comprising an acetyl group linked to coenzyme A (CoA).
Active site Region of an enzyme molecule where the substrate binds and undergoes a catalyzed reaction.
Akinetes Thick walled, dormant, non motile asexual spores.
Aleurone Outer layer of the endosperm
Anamorph Asexual or imperfect state of fungi
Anisogamy Fusion of morphologically and physiologically dissimilar gametes
Apogamy Formation of sporophyte from the gametophytic tissue without the fusion of gametes.
Apospory Development of the gametophyte from the sporophyte without the formation of spores
Balausto Fleshy in dehiscent fruit
Basal body Structure at the base of cilia and flagella from which microtubules forming the axoneme radiate
Biosphere The region of earth on which life exist
Buffer A solution of the acid and base form of a compound that undergoes little change in pH when small quantities of strong acid or base are added.
Carcinogen Any chemical or physical agent that can cause cancer when cells or organism s are exposed to it.
Chemotaxonomy Classification based on the biochemical constituents of plants
Clades Group of species comprising common ancestor and its descendants
Cladistics Methodology used to classify organisms into monophyletic group
Codon Sequence of three nucleotides in DNA or mRNA that specifies a particular amino acid during protein synthesis; also called triplet
Coenocytic condition Aseptate, multinucleate condition
Dalton Unit of molecular mass approximately equal to the mass of a hydrogen atom (1.66 × 10−24 g)
Endosperm Nutritive tissue for the embryo
Endospore Thick walled, resting spores
Eusporangiate Sporangium formed from a group of initials
Fossil The remains or impression of plant or animal of the past geological age
Gametophyte The haploid plant body
Genome Complete set of genes in an organism
Germ Protein rich embryo
Heterospory Production of spores of different sizes: megaspores and microspores
Karyogamy Fusion of nucleus
Karyotype Number, sizes, and shapes of the entire set of metaphase chromosomes of a eukaryotic cell.
Km A parameter that describes the affinity of an enzyme for its substrate and equals the substrate concentration that yields the half-maximal reaction rate;
Leptosporangiate Sporangium formed from a single initial
Merosity Number of parts per whorls
Microgreens Young vegetable greens add flavour in culinary
Monograph Complete account of a taxon of any rank
Monosulcate Pollen grain with single furrow or pores
Mycobank Online database documenting new mycological names
Nucleoid Genetic material of bacterium
Oogamy Fusion of morphologically and physiologically dissimilar gametes
Parthenocarphy Fruit developed without fertilization
Pendulous Hanging downward loosely or freely (like catkin)
Petrifaction A process of fossil formation through infiltration of minerals over a long period
pH A measure of the acidity or alkalinity of a solution defined as the negative logarithm of the hydrogen ion concentration in moles per liter
Phylogeny Evolution of group of organisms
Pistillode Sterile pistil
Plasmogamy Fusion of cytoplasm
Pluriocular An ovary with two or more locus
Prophage The integrated phage DNA with host DNA
Protologue Set of information associated with the scientific name of a taxon at its first valid publication containing the entire original material regarding the taxon
Rachilla Central axis of a spikelet
Sporophyte Diploid plant body
Teloemorph Sexual or perfect state of the fungi
Thallospores Asedual spores formed due to the fragmentation of hyphae
Triplicate Pollen grain with three furrows or pores
X-Ray crystallography Most commonly used technique for determining the three-dimensional structure of macromolecules (particularly proteins and nucleic acids) by passing x-rays
Zoospore Motile, asexual spores
Zygospore Thick walled diploid resting spores
