Which of the following is the single best defining description of the murine MHC?

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#Question id: 4131

#Section 3: Genetics, Cellular and Molecular Biology

Aminoacyl-tRNA synthetases (amino acid activating enzymes):

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#Question id: 333

#Section 2: General Biology

Which of the following feature of RNA adds to its propensity to form double-helical structure?

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#Question id: 86

#Section 2: General Biology

Examine the cyclic D-monosaccharide shown below. The ring structure is the ________ and the linear form of this monosaccharide must be a/an ________.

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#Question id: 2064

#Section 3: Genetics, Cellular and Molecular Biology

What kinds of molecules pass through a cell membrane most easily?

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#Question id: 14364

#Section 5: Bioprocess Engineering and Process Biotechnology

Enzyme activity was monitored over the last two stages of an enzyme extraction-separation process. 0.4 g protein, from Stage 5, converted 46 mmol substrate in 10 sec, and 0.02 g protein, from Stage 6, converted 49 mmol in 30 sec. Calculate % increase in activity obtained over the two step