Which of the following variants of PCR were devised to prevent non-specific amplification at low temperature?

#Question id: 351

#1. Molecules and their Interaction Relevant to Biology

 If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.

#Question id: 4797

#8. Inheritance Biology

Non allelic genotype aa governing white phenotype with recessive epistatic over non allelic gene B for red phenotype Which of the following cross would produce 25 % white phenotype in their offspring? 

#Question id: 5427

#8. Inheritance Biology

In a plant, height is control by three quantitative trait loci.  Each dominant additive allele is contributing 3 cm height in plant. Maximum expected plant height is 20 cm. What is minimum expected height? 

#Question id: 5015

#11. Evolution and Behavior

 During which of the following largest mass extinction recorded in the history of life on Earth.

#Question id: 3682

#3. Fundamental Processes

A mutated strain of E. coli replicates DNA normally at 25°C, but replication stops immediately when the temperature is raised to 37°C. Which protein is likely to be non-functional at the higher temperature?