During the epinephrine stimulated conversion of glycogen to glucose 1-phosphate, which of the following steps involves protein phosphorylation?

a. inactivation of glycogen synthase               b. activation of protein kinase A

c. activation of adenylyl cyclise                      d. activation of glycogen phosphorylase

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#Question id: 16873

#General Aptitude

Ten years have passed ……… my grandmother died.

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#Question id: 5161

#General Aptitude

Find the unit digit of 83 × 87 × 93 × 59 × 61. 

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#Question id: 2009

#Section 2: General Biology

A child is diagnosed with DiGeorge syndrome (DGS). With which of the following would the child have serious immunological problems?

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#Question id: 12731

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

Choose the correct codon for phenylalanine.

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#Question id: 15497

#Section 4: Fundamentals of Biological Engineering

A. aceti converts alcohol to acetic acid according to the stoichiometric relation

C₂H₅OH + O₂ 🡪CH₃COOH + H₂O

In a vigorously agitated and aerated reactor containing 20 g/l ethanol, the organism produces 16 g/l acetic acid and 2 g/l was the residual ethanol concentration. What are the theoretical and observed yields of acetic acid expressed in g/g ethanol?