#Question id: 4347
#Section 3: Genetics, Cellular and Molecular Biology
According to the lac operon model proposed by Jacob and Monod, what is predicted to occur if the operator is removed from the operon?
#Question id: 1599
#Section 2: General Biology
Name the class of MHC which is recognized by CD4 TH cell.
#Question id: 10510
#Section 6: Plant, Animal and Microbial Biotechnology
Constitutive chemical defenses are effective against many different herbivores, including insects and mammals. Hemlock (Cicuta sp.) produces which toxins that a polyacetylene prolongs the repolarization of neuronal action potentials.
#Question id: 3267
#Section 3: Genetics, Cellular and Molecular Biology
In a typical Mendelian population, individuals carrying gene ‘a’ in homozygous condition suffer from phenylketonurea. Those with A in homozygous condition are normal. Others, who are heterozygotic with Aa, are carriers. If the frequency of ‘a’ in a population is 0.20, what is the percentage of normal individual in the population?
#Question id: 5841
#Section 3: Genetics, Cellular and Molecular Biology
How are the BRCA proteins and their genes implicated in breast cancer?