Flashcards in Chapter 10 -1 Deck (10):
What is an operon?
units that regulate transcription
What is the operon system?
promotor, operator, and groups of genes transcribed together
What does the operator do?
control sequences that bind regulatory proteins
What do regulatory proteins respond to?
environmental changes (food)
What are repressors?
negative control over transcription
What are inducers?
positive control over transcription
What produces enzymes only when lactose is present?
What does gene control begin with?
What is cellular differentiation?
cells become specialized