Nurturing Life Sciences
#Id: 3682
#Id: 1502
#Unit 4. Cell Communication and Cell Signaling
#Id: 7388
#Unit 5. Developmental Biology
#Id: 8999
#Unit 6. System Physiology – Plant
#Id: 5701
#Unit 7. System Physiology – Animal
#Id: 579
#Unit 2. Cellular Organization
“Cryptic mutants” of lac operon make b-galactosidase but still could not grow on lactose means they are essentially Y-