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:

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#Question id: 1837

#Section 2: General Biology

What is the single best answer to the question “Which method is most characteristically used by trypanosomes to escape the immune response?”

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#Question id: 1838

#Section 2: General Biology

What is the single most commonly used term to describe the exchange of genetic material between viruses that infect different species?

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#Question id: 1839

#Section 2: General Biology

The first production of live but non-virulent forms of chicken cholera bacillus was achieved by:

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#Question id: 1840

#Section 2: General Biology

What does the term variolation refer to?

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#Question id: 1841

#Section 2: General Biology

The circulation of a 2-month-old breast-fed baby will contain maternal:

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#Question id: 1843

#Section 2: General Biology

For vaccination against mycobacterial diseases such as tuberculosis, what is the most important facet of the immune response to be stimulated?