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Explain the types of double beam systems?
Following are types of double beam systems:
a) Dual beam in space type
b) Dual beam in time type
In type (a) separate detectors monitor the light intensity from the sample cuvettes and reference cuvettes. Whereas in the type (b) the light from the monochromator is directed to half silvered mirror. Half of the light is reflected from the reference cuvettes and half from the sample cuvette. A half mirror rotates to direct light alternately from sample and reference cell to single detector. In both the types, the ratio of intensity of sample light to the reference cuvettes is measured.
What is PCR? How does PCR works? PCR, polymerase chain reaction, is a process to synthesize many copies of exact regions of a DNA molecule known as target-regions. Its inventor
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CONJUG A TE D PROTEINS Besides being made of polypeptides, the conjugated proteins posses additional groups, metals or ions. Consists of protein and non-protein parts.
Define physiological effects of SCFA? The physiological effects of SCFA's can be summarized as follows. They: Lower the ph in the gastrointestinal tract, which in turn r
Scanning Electron Microscopy (SEM) While 'TEM is useful to study the internal structul-c of thc ccll. SEM is an important technique if you wish to examine the surl'ace features o
MIDDLE LAMELLA It is thin, amorphous, intercellular matrix between 2 adjacent plant cell. The cells of plant tissue generally cemented together by an intercellular matrix
nissles granule found in
Name some emulsifiers which are present in nature? There are many emulsifiers which are present in nature such as phospholipids e.g. lectin which is present in egg yolk which a
Describe the factors that are involved in the regulation of respiration in a child who decides to hold his/her breath for as long as possible.
Disease Control and Prevention reports: Body Mass Index is a reliable indicator of body fat for most children and teens. BMI is calculated from a child's weight and height is
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