#Question id: 19717
#Unit 3. Fundamental Processes
#Question id: 4134
#Unit 3. Fundamental Processes
The enzyme that attaches an amino acid to a tRNA (aminoacyl-tRNA synthetase):
#Question id: 1120
#Unit 4. Cell Communication and Cell Signaling
A mutation that knocks out the GTPase activity of a G protein would have what effect on a cell?
#Question id: 9169
#Unit 9. Diversity of Life Forms
In areas of permafrost, stands of black spruce are frequently observed in the landscape, while other tree species are noticeably absent. Often these stands are referred to as "drunken forests" because many of the black spruce often "lean over" (that is, they are displaced from their normal vertical alignment). What is the most likely explanation for the unusual growth of these forests in this marginal habitat?
#Question id: 2635
#Unit 2. Cellular Organization
In E. coli, deleting the ribosome binding site and region 1 of the trp attenuator and leaving the remainder of the attenuator intact has which of the following effects?