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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 ...
Thermolabile refers to a substance which is subject to, decomposition, or change in response to heat.This term is often used describe biochemical substances. [1]For example, many bacterial exotoxins are thermolabile and can be easily inactivated by the application of moderate heat.
Cetyl palmitate, a typical wax ester Commercial honeycomb foundation, made by pressing beeswax between patterned metal rollers. Waxes are a diverse class of organic compounds that are lipophilic, malleable solids near ambient temperatures.
A multicellular, glandular hair that usually produces a mucilaginous substance and is located on sepal s, stipules, or petioles, or on nearby parts of stem s; commonly found on plants in the order Gentianales. columella In flowering plants, the central axis of the cone or fruit, e.g. in Callitris. column 1.
A chemical substance present or produced in a living organism Biomolecule, a molecule present in a living organism; Biogenic substance, a chemical substance produced by a living organism; Biotic material, natural material, or natural product, a material produced by a living organism; Biomass, living or dead biological matter, often plants grown ...
A naturally malleable metal can be made stronger by impeding the mechanisms of plastic deformation (reducing grain size, precipitation hardening, work hardening, etc.), but if this is taken to an extreme, fracture becomes the more likely outcome, and the material can become brittle.
It comes from the Greek root πνιγ-(choke, strangle), and thus the word "pnictogen" is also a reference to the Dutch and German names for nitrogen (stikstof and Stickstoff, respectively, "suffocating substance": i.e., substance in air, unsupportive of breathing). Hence, "pnictogen" could be translated as "suffocation maker".
A carton box with Parafilm. Parafilm is a semi-transparent, flexible film composed of a blend of waxes and polyolefins.It is a ductile, malleable, non-toxic, edible, tasteless, odorless, and self-sealing thermoplastic.