56 results found

Search Results for: strain

Inbred strain

Definition noun, plural: inbred strains A strain of animal or plant that has undergone an inbreeding strategy (e.g. brother... Read More

Strain

Strain A tearing injury to muscle. Usually causes some degree of bleeding within the muscle tissue (haematoma). (biology) a... Read More

Hypothetical mean strain

Hypothetical mean strain a hypothetical strain that possesses the characteristics of a calculated mean... Read More

Hfr strain

Definition noun A strain of bacterial that possesses the F factor integrated into the bacterial genome, hence, when it... Read More

Cell strains

Cell strain (Science: cell culture) cells adapted to culture, but with finite division potential. See: cell... Read More

Bacteria

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

Parasitism

Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More

Virulence

Virulence Definition In biology, virulence is defined as the degree to which a pathogenic organism can cause disease.... Read More

Inoculation

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

Axenic culture

Definition noun A microbial culture that contains only one species, variety, or strain of... Read More

Strict

strict 1. Strained; drawn close; tight; as, a strict embrace; a strict ligature. 2. Tense; not relaxed; as, a strict... Read More

Wild type

Definition noun (1) The typical (or the most common) form, appearance or strain existing in the wild. (2) The normal,... Read More

Providencia rettgeri

Definition noun Species of the genus Providencia frequently associated with hospital-acquired infections of the urinary... Read More

Restriction enzyme

Definition noun, plural: restriction enzymes An enzyme that catalyzes the cleavage of DNA at restriction sites, producing... 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

Form

(biology) a group of organisms within a species that differ in trivial ways from similar groups; a new strain of... Read More

Nicked circle

nicked circle (Science: molecular biology) During extraction of plasmid dNA from the bacterial cell, onestrand of the DNA... Read More

Independent variable

Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... 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

Buck’s traction

Buck's Traction Definition Buck's traction for femur fracture is very helpful. It can be utilized in the treatment and... Read More

Silent mutation

A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More

Auxotyping

Auxotyping (Science: technique) method for strain typing neisseria by checking their requirements for specific nutrients in... Read More

Hfr bacterium

Definition noun, plural: Hfr bacteria A bacterium that possesses the F factor integrated into the bacterial genome, hence,... Read More

Hfr cell

Definition noun A bacterial cell that possesses the F factor integrated into the bacterial genome, hence, when it conjugates... Read More

R factor

Definition noun, plural: R factors Abbreviated term for resistance factor that confers certain bacterial strain resistant to... Read More

Glycocalyx

What is the Glycocalyx? The glycocalyx is a polysaccharide-based gel-like, highly hydrous cellular thin layer, covering... Read More

Muscle tissue

Definition noun, plural: muscle tissues An animal tissue capable of contracting, and therefore enables movement or tension... Read More

Plant Water Regulation

A plant requires water as an essential ingredient of photolysis, the photochemical stage of photosynthesis where water is... Read More

Examples of Natural Selection

Reviewed by: Mary Anne Clark, Ph.D. Darwin's Finches Darwin's finches are an excellent example of the way in... Read More

SELFISH GENE – selfish to persist

What is a selfish gene? A selfish gene is not a gene that makes an individual selfish. In fact, it may even be involved in... Read More

Metaxylem

Definition noun The part of the primary xylem that is last to develop from the procambium, and characterized by weblike or... Read More

Spurt

spurt A sudden and energetic effort, as in an emergency; an increased exertion for a brief space. The long, steady sweep of... Read More

Oxidation-fermentation test

Definition noun A test used to identify bacteria by the way they metabolize a carbohydrate substrate (e.g. glucose) whether... Read More

Constitutive mutant

Definition noun A mutant organism that continuously produces a protein (and therefore may be produced in excess) due to a... Read More

Tender

tender 1. Easily impressed, broken, bruised, or injured; not firm or hard; delicate; as, tender plants; tender flesh; tender... Read More

Conditional-lethal mutant

Conditional-lethal mutant --> conditionally lethal mutant a viral mutant that can replicate under some (permissive)... Read More

Harmony

Harmony 1. The just adaptation of parts to each other, in any system or combination of things, or in things, or things... Read More

Stock

stock group of organisms (all of the same species) that is genetically self-sustaining and isolated geographically or... Read More

Providencia alcalifaciens

Definition noun One of the clinically important species of the genus Providencia isolated chiefly from infections of the... Read More

Knee

Knee 1. In man, the joint in the middle part of the leg. 2. (Science: anatomy) The joint, or region of the joint, between... Read More