The lag phase of the bacterial growth curve is marked by

#Question id: 83

#SCPH05 I Biotechnology

Which of the following is incorrect about the intramolecular cyclization reaction of glucose in solution ________.

#Question id: 11332

#SCPH06 I Botany

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

 A) tropical communities are older.

 B) tropical regions generally have more available water and higher levels of solar radiation.

 C) higher temperatures cause more rapid speciation.

 D) diversity increases as evapotranspiration decreases.

#Question id: 4168

#SCPH05 I Biotechnology

The deaminoacylated tRNA leaves the ribosome as the growing polypeptide passes through the tunnel of the large ribosomal subunit from the __.

#Question id: 3891

#SCPH05 I Biotechnology

Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?

#Question id: 3465

#SCPH06 I Botany

One species lives only in tree holes; another species lives only in streams.