#Question id: 361
#Part-A Aptitude & General Biotechnology
Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.
#Question id: 4123
#Part-A Aptitude & General Biotechnology
A certain bacterial mRNA is known to represent only one gene and to contain about 800 nucleotides. If you assume that the average amino acid residue contributes 110 to the peptide molecular weight, the largest polypeptide that this mRNA could code for would have a molecular weight of about:
#Question id: 14692
#Part-A Aptitude & General Biotechnology
#Question id: 3858
#Part-A Aptitude & General Biotechnology
The 5' methyl guanosine caps added during RNA chain elongation performs what function?
1. prevents degradation by nucleases
2. are recognized by protein factors
3. are used to identify the type of RNA
#Question id: 349
#Part-B Specialized Branches in Biotechnology
Increased atmospheric CO2 concentrations might have what effect on seawater?