For a protein to be an integral membrane protein, it would have to be:

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#Question id: 3872

#Section 3: Genetics, Cellular and Molecular Biology

Processing of a primary mRNA transcript in a eukaryotic cell does not normally involve:

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#Question id: 10405

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

In some cases phytochrome itself moves to the nucleus in a light-dependent manner. Detection of this movement relied on the ability to fuse phytochrome with,

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#Question id: 626

#Section 2: General Biology

A metabolic pathway proceeds according to the scheme, R -> S -> T -> U -> V -> W.  A regulatory enzyme, X, catalyzes the first reaction in the pathway.  Which of the following is most likely correct for this pathway?

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#Question id: 27177

#Section 5: Bioprocess Engineering and Process Biotechnology

A strain of Azotobacter vinelandii is cultured in a 15-m³ stirred fermenter for alginate produc- tion. Under current operating conditions, k_La is 0.17 s^-1. The solubility of oxygen in the broth is approximately 8 × 10^-3 kg m^-3.

(b) The bacteria suffer growth inhibition after copper sulphate is accidentally added to the fermentation broth just after the start of the culture. This causes a reduction in the oxygen uptake rate to 3 mmol g^-1 h^-1. What maximum cell concentration can now be supported by oxygen transfer in the fermenter?.....g/l

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#Question id: 14799

#Section 5: Bioprocess Engineering and Process Biotechnology

In a well aerated and agitated microbial culture the supply of oxygen is equal to demand of the growing culture. The kLa for such a system will be _