The enzyme formate dehydrogenase (FDH) splits formic acid to H2 and CO2 and is crucial to survival during fermentation because if fermentive intermediates were allowed to accumulate within the cell, the internal pH would become far too ________ to support viability.
A. alkaline
B. hypotonic
C. acidic
D. hypertonic
Answer: C
Biology & Microbiology
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Why was the addition of methionine necessary during the production of somatostatin by recombinant bacteria?
A. So that it was compatible with the restriction enzyme B. As a selectable marker C. To allow the somatostatin to link to a bacterial protein D. To increase the length of the peptide to make it more commercial
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The uncharged component of the atom is the
A. electron. B. proton. C. neutron. D. muon.
Biology & Microbiology
Thermophilic members of the phylum ________ can grow in geothermally heated water or soils that contain elemental sulfur.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Chromatin is divided into separate structures called
What will be an ideal response?
Biology & Microbiology