#Question id: 4554
#Unit 3. Fundamental Processes
In which studies have shown that phosphorylated NtrC bound at enhancers and σ54-polymerase bound at the promoter interact directly, forming a loop in the DNA between the binding sites?
#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: 3879
#Unit 3. Fundamental Processes
Which of the following is not usually essential for the catalytic activity of ribozymes?
#Question id: 4338
#Unit 3. Fundamental Processes
Altering patterns of gene expression in prokaryotes would most likely serve an organism's survival by __.
#Question id: 3615
#Unit 8. Inheritance Biology
What are alleles?