#Question id: 10324
#Unit 9. Diversity of Life Forms
Which of the following is not true of all horizontally oriented phylogenetic trees, where time advances to the right?
#Question id: 1233
#Unit 4. Cell Communication and Cell Signaling
Transphosphorylation (cross-phosphorylation) of receptor tyrosine kinases
a. inhibits catalytic activity.
b. promotes transphosphorylation of additional tyrosine residues.
c. triggers release of the ligand.
d. generates binding sites for signaling molecules.
#Question id: 23487
#General Aptitude
#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: 4561
#Unit 3. Fundamental Processes
Which factor recruits capping enzyme?