The initiation codon __.

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#Question id: 856

#SCPH06 I Botany

Protein folding is not a completely random, trial-and-error process, This problem was first pointed out by

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#Question id: 2323

#SCPH06 I Botany

Prior to replication the DNA in the nucleus is in the form of a tangled mass called

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#Question id: 15658

#SCPH01 Biochemistry

You are studying a new strain of E. coli that can utilize the disaccharide melibiose very efficiently. You find that utilization depends on the enzyme melibiase, which is encoded by the gene Mel1. Mel1 is not expressed unless melibiose is present in the growth medium.

Next, you isolate a third mutant, MelC–, which gives constitutive melibiase expression. The MelC– mutation is closely linked to Mel1 and MelB–. Genetic tests of the MelC– mutation yield the following:

 

As above, classify the MelC– mutation in terms of its basic genetic properties and explain how you arrived at your conclusions.

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#Question id: 4339

#SCPH06 I Botany

In positive control of several sugar metabolism-related operons, the cAMP receptor protein (CRP) binds to DNA to stimulate transcription. Which of the following environmental conditions causes an increase in CRP activity in stimulating transcription?

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#Question id: 3907

#SCPH28 | Zoology

Which of the following is true about transcription?