product formed when certain atoms in an organic ligand donate electrons to the cation. Chemotaxonomy Classification based on the biochemical constituents of plants Chlorosis Breakdown of chlorophylls leads to yellowing of leaves Clades Group of species comprising common ancestor and its descendants Cladistics Methodology used to classify organisms into monophyletic group Glossary Closed vascular bundle Cambium absent between xylem and phloem Example: Monocot stem 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 Coenzyme A non-protein molecule involved in enzyme catalyzed reactions serves as transfer of protons or electrons between various molecules Colloidal An evenly distributed mixture of two different particles in a system without losing its own properties. Dalton Unit of molecular mass approximately equal to the mass of a hydrogen atom ( . × − g) Deamination The enzymatic removal of an amino group from an amino acid to form its corresponding keto acid.
Desiccation tolerance Ability of plants which can tolerate extreme water stress without being killed. Drought resistance Capacity of a plant to limit and control consequences of water deficit. EDTA Ethylene Diamine Tetra Acetic acid, chelating agent makes iron uptake possible by forming soluble complex in an alkaline soil. Endergonic A chemical reaction with a positive free energy charge or ATP utilizing reactions.
Endosperm Nutritive tissue for the embryo Endospore Thick walled, resting spores Eusporangiate Sporangium formed from a group of initials Exergonic A chemical reaction with a negative free energy charge or ATP producing reactions. Extra stellar ground tissue Tissues outside the stele Fibre-Tracheids Transitional form between fibre and tracheids Fluorescence Emission of light by a substance that has absorbed light in the form luminescence. Fossil The remains or impression of plant or animal of the past geological age Gametophyte The haploid plant body Gelatin An animal-based product used as a gelling agent. Genome Complete set of genes in an organism Germ Protein rich embryo Granum A stack of thylakoid in a stroma of chloroplast Hadrome Xylem-by Haberlandt Halophytes Plants native to