Which of the following pieces of evidence most strongly supports the common origin of all life on Earth?

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#Question id: 13038

#SCPH01 Biochemistry

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order

i. incubate with antibody-enzyme complex that binds primary antibody

ii. coat surface with antigen, block unoccupied sites with nonspecific protein

iii. add substrate, formation of colored product indicates presence of specific antigen

iv. incubate with primary antibody against specific antigen

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#Question id: 444

#SCPH05 I Biotechnology

Which of the following is not a factor contributing to the large free energy of hydrolysis of ATP?

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#Question id: 17815

#SCPH01 Biochemistry

You have two distantly related proteins. Which of the following sets is the best for comparing them?

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#Question id: 14278

#SCPH05 I Biotechnology

Stirrer has a power number (Np) 10. If the stirrer speed (N) is 1s^-1, its diameter D=1m and the density of the medium is 1000 kg/m^3, the ungassed power input (P) in watts is 

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#Question id: 15272

#SCPH01 Biochemistry

During the RNA extraction guanidinium thiocyanate functions as a strong inhibitor of