What would you expect about the formation of an α-helix for a segment of a protein chain that contains lysine approximately every fourth residue with all other residues being mostly hydrophobic?

TLS Online TPP Program

#Question id: 3983

#Unit 3. Fundamental Processes

Transcription of the lactose operon in E. coli is stimulated by:

TLS Online TPP Program

#Question id: 3984

#Unit 3. Fundamental Processes

Which of the following statements about regulation of the lac operon is true?

TLS Online TPP Program

#Question id: 3985

#Unit 3. Fundamental Processes

The binding of CRP (cAMP receptor protein of E. coli) to DNA in the lac operon:

TLS Online TPP Program

#Question id: 3986

#Unit 3. Fundamental Processes

Consider the lac operon of E. coli.  When there is neither glucose nor lactose in the growth medium:

TLS Online TPP Program

#Question id: 3987

#Unit 3. Fundamental Processes

A regulon is a(n):

TLS Online TPP Program

#Question id: 3988

#Unit 3. Fundamental Processes

The tryptophan operon of E. coli is repressed by tryptophan added to the growth medium.  The tryptophan repressor probably: