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TLS Online TPP Program

#Question id: 4344

How does the transcription of structural genes in an inducible operon occur?

#Section 3: Genetics, Cellular and Molecular Biology

  1. It occurs continuously in the cell.

  2. It starts when the pathway's substrate is present.

  3. It starts when the pathway's product is present.

  4. It stops when the pathway's product is present.

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TLS Online TPP Program

#Question id: 2123

#Section 2: General Biology

Which of these statements about the composition of membranes is true?
TLS Online TPP Program

#Question id: 2124

#Section 2: General Biology

An integral membrane protein can be extracted with:
TLS Online TPP Program

#Question id: 2125

#Section 2: General Biology

The shortest alpha helix segment in a protein that will span a membrane bilayer has about _____ amino acid residues.
TLS Online TPP Program

#Question id: 2126

#Section 2: General Biology

A hydropathy plot is used to:
TLS Online TPP Program

#Question id: 2127

#Section 2: General Biology

The fluidity of the lipid side chains in the interior of a bilayer is generally increased by:
TLS Online TPP Program

#Question id: 2128

#Section 2: General Biology

The fluidity of a lipid bilayer will be increased by: