#Question id: 1028
#Unit 4. Cell Communication and Cell Signaling
The capsule
#Question id: 4949
#Unit 11. Evolution and Behavior
What probably accounts for the switch to DNA-based genetic systems during the evolution of life on Earth?
#Question id: 4546
#Unit 3. Fundamental Processes
In eukaryotes, transcriptional regulators are not typically controlled at the level of DNA binding (although there are exceptions). Regulators are instead usually controlled in one of the following two basic ways.
I. Unmasking an Activating Region
II. Transport into and out of the Nucleus
III. Mediated through proteolysis of an inhibitor or tethering region or by allosteric changes.
IV. Also is itself (or recruits) a deacetylase,
#Question id: 24638
#Unit 2. Cellular Organization
#Question id: 10864
#Unit 10. Ecological Principles
Which of the following represent ways in which two ecologically similar species can avoid competing with each other?