#Question id: 3274
#Section 3: Genetics, Cellular and Molecular Biology
The common edible frog of Europe is a hybrid between two species, Rana lessonae and Rana ridibunda. The hybrids were first described in 1758 and have a wide distribution, from France across central Europe to Russia. Both male and female hybrids exist, but when they mate among themselves, they are rarely successful in producing offspring. What can you infer from this information?
#Question id: 12688
#General Aptitude
#Question id: 27236
#Section 3: Genetics, Cellular and Molecular Biology
Group of adjacent nucleotides are joined by ____________
#Question id: 1865
#Section 2: General Biology
What deficiency is indicated by poor skin test results to a range of microbial antigens such as tuberculin and mumps?
#Question id: 27311
#Section 3: Genetics, Cellular and Molecular Biology
The presence of 2’-hydroxyls in the RNA backbone prevents RNA from adopting a-