#Question id: 661
#Unit 1. Molecules and their Interaction Relevant to Biology
Which technique is commonly used to determine the three-dimensional conformation of a protein?
#Question id: 768
#Unit 1. Molecules and their Interaction Relevant to Biology
MicroRNAs are important gene regulators, but the miRNAs are also regulated in turn by other RNAs. Which, if any, of the following classes of RNA are not known to contain RNAs that regulate miRNAs?
#Question id: 5291
#Unit 8. Inheritance Biology
A number of nutritional mutant strains were isolated from wild-type Neurospora that responded to the addition of certain supplements in the culture medium by growth ( + ) or lack of growth ( -). Given the following responses for single gene mutations, diagram a metabolic pathway that could exist in the wild-type strain that is most consistent with the data. Indicate where the pathway is blocked in each mutant strain.
#Question id: 1232
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following mutations might confer a competitive advantage to an athlete by raising his or her hematocrit?
a. excess production of erythropoietin
b. decreased production of erythropoietin
c. EpoR that cannot bind STAT5
d. EpoR that cannot bind SHP1
e. EpoR that cannot bind JAK2
#Question id: 937
#Unit 1. Molecules and their Interaction Relevant to Biology
Glutamate dehydrogenase has different roles in different organisms. Which of these listed is mismatched?