#Question id: 27347
#XL - T Zoology
The width (helical diameter) of the double helix in B-form DNA in nm is______?
#Question id: 5755
#XL - S Microbiology
A researcher studying bacterial toxin predicts that a lysine within the toxin is important for binding it’s target cell. She used site-directed mutagenesis to change a codon for lysine (AAA) to one for asparagine (AAU). However, the mutant toxin still binds to its target cell just as well as the wild-type toxin bound and appears to have no other changes. This type of mutation is probably
#Question id: 18513
#XL - R Botany
#Question id: 4757
#XL - R Botany
The newborn baby of a mother having blood group O, Rh+ and father having blood group AB, Rh-, got mixed with other babies in the hospital. The baby with which of the following blood groups is not confirmable to be of the said couple?
(i) AB, Rh+ (ii) O, Rh+
(iii) A, Rh+ (iv) B, Rh+
#Question id: 3462
#XL - T Zoology
Which describes brightly colored peacocks mating more frequently than drab peacocks?