Approximately how many NTPs must be converted to NDPs to incorporate one amino acid into a protein?

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#Question id: 3766

#Section 3: Genetics, Cellular and Molecular Biology

Individuals with the disorder xeroderma pigmentosum are hypersensitive to sunlight, and mutations to the DNA in their skin cells are left uncorrected. Why are the mutations not corrected in individuals with this disorder?

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#Question id: 14250

#Section 5: Bioprocess Engineering and Process Biotechnology

A stirred-tank reactor is to be scaled down from 10 m3 to 0.1 m3. The dimensions of the large tank are: Dt = 2 m; Di = 0.5 m; N = 100 rpm. What would be the required rotational speed of the impeller in the small tank if impeller Re number is constant?

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#Question id: 407

#Section 4: Fundamentals of Biological Engineering

The reaction A + B -> C has a DG'° of –20 kJ/mol at 25° C.  Starting under standard conditions, one can predict that:

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#Question id: 14561

#Section 2: General Biology

During which phase of growth are bacteria most susceptible to antibiotics?

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#Question id: 1904

#Section 2: General Biology

What is the target of the monoclonal antibody basiliximab used to help suppress allograft rejection?