WebPrinciple of PCR. The PCR technique is based on the enzymatic replication of DNA. In PCR, a short segment of DNA is amplified using primer mediated enzymes. DNA Polymerase synthesises new strands of DNA complementary to the template DNA. The DNA polymerase can add a nucleotide to the pre-existing 3’-OH group only. Therefore, a primer is required. WebSep 24, 2024 · Preparation of Amides. Amides are most commonly prepared though the reaction of an acid chloride with ammonia, a 1 o amine, or 2 o amine. In an analogous reaction, an amide can be prepared through the reaction of a carboxylic acid and an amine using a coupling agent such as DCC. Simple amides can be prepared by reacting an …
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WebApr 25, 2024 · Label requirements are as follows: The established and proprietary names of the product, e.g., cholesterol meters; * The intended use or uses, e.g., pregnancy … WebMicropipettes are probably the most used tool in the laboratory. They are used to transfer precise, very small volumes of liquid. Their units are generally measured in microlitres (μL) which is one thousandths of 1 mL. … dolly deadly 2016
The Seven Most Common Grades for Chemicals and …
WebJan 12, 2024 · Sodium chloride – also known as table salt, sodium chloride is the most common type of salt used in seasoning and preserving food. Monosodium glutamate – this type of salt is used to make food more savoury and enhance its flavour. Sodium nitrate – commonly used in the manufacturing of explosives and fertilisers. WebMay 11, 2024 · Most commonly used chemicals in the biology lab. martyna p May 11, 2024 Developing practical skills. The biology olympiad is comprised of two parts: the practical … WebAug 1, 2024 · Probably the most important feature made obvious when you stain bacterial cells is their cellularmorphology (not to be confused with colonial morphology, which is the appearance of bacterial colonies on an agar plate). Most heterotrophic and culturable bacteria come in a few basic shapes: spherical cells (coccus/cocci), rod-shaped cells … dolly deadly