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TLS Online TPP Program

#Question id: 125

Regions on cell membranes called lipid rafts form because

#Section 2: General Biology

  1. membrane proteins form them.

  2. cholesterol preferentially associates with sphingolipids.

  3. certain membrane protein patches aggregate.

  4. cholesterol and proteins bind to form them.

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TLS Online TPP Program

#Question id: 3920

#Section 3: Genetics, Cellular and Molecular Biology

The genes that encode proteins are transcribed by RNA polymerase __.
TLS Online TPP Program

#Question id: 3922

#Section 3: Genetics, Cellular and Molecular Biology

The σ70 subunit in E. coli RNA polymerase acts as a/an __.
TLS Online TPP Program

#Question id: 3924

#Section 3: Genetics, Cellular and Molecular Biology

Characteristics of ligands involved in transcription include:
TLS Online TPP Program

#Question id: 3925

#Section 3: Genetics, Cellular and Molecular Biology

Constitutive genes
TLS Online TPP Program

#Question id: 3926

#Section 3: Genetics, Cellular and Molecular Biology

Positive regulation of a gene requires __.
TLS Online TPP Program

#Question id: 3927

#Section 3: Genetics, Cellular and Molecular Biology

An operon is __