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TLS Online TPP Program

#Question id: 4319

Why are BRCA1 and BRCA2 considered to be tumor-suppressor genes?

#SCPH05 I Biotechnology

  1. Their normal products participate in repair of DNA damage.

  2. The mutant forms of either one of these prevent breast cancer.

  3. The normal genes make estrogen receptors.

  4. They block penetration of breast cells by chemical carcinogens.

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TLS Online TPP Program

#Question id: 2671

#SCPH06 I Botany

The "on/off" switch for an operon is called the
TLS Online TPP Program

#Question id: 2672

#SCPH05 I Biotechnology

What is the name of the stretch of DNA where RNA polymerase binds?
TLS Online TPP Program

#Question id: 2672

#SCPH06 I Botany

What is the name of the stretch of DNA where RNA polymerase binds?
TLS Online TPP Program

#Question id: 2673

#SCPH05 I Biotechnology

For a repressible operon to be transcribed, which of the following must be true?
TLS Online TPP Program

#Question id: 2673

#SCPH06 I Botany

For a repressible operon to be transcribed, which of the following must be true?
TLS Online TPP Program

#Question id: 2674

#SCPH05 I Biotechnology

Most gene regulation happens at which step along the way?