130 results found

Search Results for: medium

Nutrient medium

nutrient medium --> culture medium A substance, either solid or liquid, used for the cultivation, isolation,... Read More

Culture medium

Culture medium a substance, either solid or liquid, used for the cultivation, isolation, identification, or storage of... Read More

Medium

medium (Science: cell biology) shorthand for culture medium or growth medium, the nutrient solution in which cells or organs... Read More

Filtration

Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More

Basal medium

Basal medium (Science: cell culture) An unsupplemented medium which promotes the growth of many types of microorganisms... Read More

Differential medium

Differential medium a medium which is used to differentiate different types of microorganisms based on their different... Read More

Growth medium

Growth medium (Science: cell culture) a synthetic medium which is filled with nutrients necessary to the growth of... Read More

Inoculum

Inoculum Definition Inoculation is a term often heard in microbiology, one of the branches of biology that deals with the... Read More

Matrix

Bodies of living organisms are organized structures. These are organized in a hierarchy of organ systems, organs, tissues,... Read More

Fastidious

Fastidious Definition We can define fastidious as a term used in microbiology to denote a species that lacks the ability to... Read More

Permeability

Permeability Definition What is permeability? In earth science, its definition is this: "the ability of any material such... Read More

Aerobic bacteria

Aerobic Bacteria Definition What does aerobic mean in biology? As the name suggests, 'aerobe' in biology means organisms... Read More

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

In situ

When we talk about an experiment, human intervention, a protocol, or its step or any x, y, z call-of-action, it can be... Read More

Trimorphism

trimorphism 1. (Science: chemistry) The property of crystallizing in three forms fundamentally distinct, as is the case with... Read More

Aves

Aves Definition What are birds classified as? Birds constitute the class Aves of the kingdom Animalia. How to define Aves?... Read More

The consequences of antibiotic use in horticulture

Leading articles Frederick R. Falkiner* Department of Clinical Microbiology, Trinity College, Dublin; Central Pathology... Read More

Cytokinin

Plants require growth hormones for their regulated growth. Plant growth hormones or regulators (PGRs) are small organic... Read More

Soils

Where a plant grows and what resources are available to it is of vital importance to the life of a plant. The soil type and... Read More

Tissue culture

Definition noun, plural: tissue cultures (1) The technique of culturing animal or plant tissue in a controlled medium away... Read More

Aerotolerant

Aerotolerant Definition The term "aerotolerant" pertains to an organism that does not require oxygen for growth but can... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Myogenesis

Definition noun (embryology) The formation of muscle tissues through the differentiation of progenitor cells myoblasts... Read More

Amphipathic

Amphipathic Definition Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and... Read More

Inoculation

Inoculation Definition In Immunology, inoculation is defined as the process of introducing an antigenic substance or... Read More

Colony

Definition noun, plural: colonies (biology) Several individual organisms (especially of the same species) living together in... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More

Aqueous solution

Definition noun, plural: aqueous solutions A solution wherein water is the dissolving medium or solvent Supplement Solution,... Read More

Photolysis

Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Fat

Definition noun plural: fats fats, fæts A term largely applied to storage lipids in animal tissues that are usually solid... Read More

Elective culture

Elective culture a method of isolating microorganisms capable of utilizing a specific substrate by incubating an inoculum in... Read More

Genotypic ratio

Genotypic Ratio Definition To understand 'Genotypic ratio', let us first understand the terms: 'Genotype' and 'Phenotype'.... Read More

Allopatric speciation

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

Anther culture

Anther culture a plant culturing technique in which immature pollen is made to divide andgrow into tissue (either callus or... Read More

Facultative anaerobe

Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

Tissue embedding

tissue embedding The technique of placing cells or tissue in a supporting medium so that thin sections can be cut using a... Read More

Cat

Definition noun, plural: cats (1) A small domesticated Felis species, e.g. F. domestica or F. catus (2) Any of the several... Read More

Cell line

Cell line (Science: cell culture) a cell line is a permanently established cell culture that will proliferate indefinitely... Read More