One of the purines (adenine or guanine) or pyrimidines (cytosine, thymine, or uracil) found in DNA or RNA.; Phages have tail fibres attached to base plates
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Base Pairing
A-T; G-C ;
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Base triplet
A sequence of 3 bases such as AAG and codes for one amino acid
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Benedicts test
A Benedict’s test is used to determine the presence of reducing sugars such as fructose, glucose, maltose and lactose ; Positive test = Blue to Brick red
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Biuret Test
Tests for protein by detecting the presence of peptide links ; Positive test = Blue to Lilac ; Carried out by adding KOH to the sample then a few drops of CuSO4
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BSE
A prion disease ; affects cattle who through eating contaminated food products
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Buffer
Chemicals or substances that resist changes to pH and ensure that a particular environment remains at a particular pH; Hydrogencarbonate ions and Blood proteins such as Albumin act as buffers
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Isotonic buffer
The addition of any compound to a solution will affect the isotonicity since isotonicity is a property of the number of particles in solution
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