What is Agrobacterium used for?

What is Agrobacterium used for? The ability of Agrobacterium to transfer genes to plants and fungi is used in biotechnology, in particular, genetic engineering for plant improvement. Genomes of plants and fungi can be engineered by use of Agrobacterium for the delivery of sequences hosted in T-DNA binary vectors. What Read more…

What is perfusion in respiration?

What is perfusion in respiration? Perfusion refers to the blood flow to tissues and organs. Alveoli are perfused by capillaries so the diffusion of oxygen and carbon dioxide can take place. What is perfusion in gaseous exchange? Two important aspects of gas exchange in the lung are ventilation and perfusion. Read more…

What is a duplex train?

What is a duplex train? The TGV Duplex is a French high-speed train of the TGV family, manufactured by Alstom, and operated by the French national railway company SNCF. It is unique among TGV trains in that it features bi-level carriages. The Duplex inaugurated the third generation of TGV trainsets. Read more…