BIOL331 MODULE 3 ACTUAL EXAM
QUESTIONS AND CORRECT
ANSWERS LATEST UPDATE 2026/2027.
1. how does complementation work CORRECT ANSWER cross 2 mutants to restore "normal" phenotype 2. what is complementation used for CORRECT ANSWER can tell us if various mutations are on the same or ditterent cells 3. true complementation CORRECT ANSWER mutationsin ditterent genes, must be homozygousrecessive mutations 4. transcription of lac operon when there is high glucose CORRECT ANSWER none 5. transcription of lac operon when there is low glucose and low lactose CORRECT ANSWER none 6. transcription of lac operon when there is high glucose and high lactose CORRECT ANSWER low basal levels 7. what functional genes do we need to break down lactose CORRECT ANSWER lac z and lac i 8. features of a plasmid that are useful for genetic
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