Definition
noun
A test used to identify bacteria by the way they metabolize a carbohydrate substrate (e.g. glucose) whether by fermentation or by oxidation.
Supplement
In this test, two tubes of Hugh & Leifon’s medium are used. One tube is covered while the other is not. A bacterial strain is an ‘oxidizer’ if it will produce acid only in the open tube, a ‘fermenter’ if it produces acid in both tubes.
Also called: O-F test
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..
Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..