#Question id: 5775
#Unit 8. Inheritance Biology
A point mutation that changes a codon specifying an amino acid into a stop codon is called a
#Question id: 1236
#Unit 4. Cell Communication and Cell Signaling
Arrange the following events in the proper order in which they occur during transduction of the TNF-α signal
a. phosphorylation of I-κB
b. binding of E3 ubiquitin ligase to I-κB
c. polyubiquitination of I-κB
d. nuclear localization of NF-κB
e. activation of TAK1 kinase
#Question id: 12131
#Unit 10. Ecological Principles
Use the following diagram of a hypothetical food web to answer the following questions. The arrows represent the transfer of food energy between the various trophic levels.
Which letter represents an organism that could be a producer?
#Question id: 3679
#Unit 3. Fundamental Processes
A mutation in an E. coli cell becomes active half-way through a round of replication. The cell completes the round of replication normally but then cannot start a second round. Which protein could be mutated?
#Question id: 1496
#Unit 4. Cell Communication and Cell Signaling
Cancers that arise due to mutated tumor suppressor genes require that