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Which of the following statements regarding the separation of DNA fragments using gel electrophoresis is false?
A. DNA fragments will migrate towards the positively charged electrode (anode) and are divided by relative size.
B. Smaller DNA fragments migrate faster through the agarose gel while larger fragments migrate more slowly therefore fragments at the bottom of the gel are smaller than those at the top of the gel.
C. A pH gradient is formed within the agarose gel allowing for the separation of DNA fragments based on their isoelectric point.
D. Ethidium bromide (added to the DNA sample, gel and buffer) can intercalate within the DNA double helix and can fluoresce when exposed to UV light therefore allowing for the DNA fragments to be visualized.
Animal class....phylum arthropoda subphylum arthropoda
Why do few plants adapted to a dry environment open their stomata only at night? Throughout the day in dry habitats the guard cells become the stomata close and flaccid; concur
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Occurrence of vitamin B 12 Vitamin B 12 is one of the cobalamin, a group of active principles widely occurring in nature. Vitamin B 12 is present especially in liver, kidney
What is Exposure Assessment Exposure Assessment : The qualitative and quantitative evaluation of the degree of intake likely to occur.
Define Reaction of Fehling Soxhlet method? The reducing sugars formed are acted upon by the alkali of Fehling's solution to form enediols. These enediols are very unstable and
Is it more indicated for a geneticist desiring to map the X chromosome of the mother of a given family (the researcher does not have access to her DNA, only access to the genetic m
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Q. Find out risk factors for coronary disease? 1) Tobacco Smoking, the single most preventable cause of death is a leading risk factor for CAD, cerebrovascular accident and
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