Dihybrid test cross genotypic and phenotypic ratio is

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#Question id: 1832

#Section 2: General Biology

Individuals lacking C8 or C9 are more prone to infection with the following type of bacteria:

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#Question id: 19483

#Section 4: Fundamentals of Biological Engineering

Propane (C₃H₈) burns in this reaction:

C₃H₈ + 5O₂ = 4H₂O + 3CO₂

If 200 g of propane is burned, how many g of H2O is produced?

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#Question id: 1638

#Section 2: General Biology

Intracellular parasites within macrophages are killed more readily in the presence of:

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#Question id: 13064

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Optimisation of a PCR reaction is often a compromise between the competing demands for precision, efficiency and yield. Although the specific effects may vary, generally, increasing the annealing temperature will increase non-specific primer binding and reduce precision. Increasing the length of the elongation phase will reduce the proportion of incomplete newly-synthesised strands and therefore increase yield. In this case, the potential effect on efficiency is unclear. Increasing the elongation phase would increase the reaction time, but the time taken to ramp down to a lower annealing temperature would be reduced.

Which of the following techniques doesn’t involve use of a secondary antibody?

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#Question id: 16790

#Section 1: Engineering Mathematics

For the moderately symmetrical distribution of age of the employees, mean = 20 and mode = 25. The approximate value of the median is: