#Question id: 4965
#Unit 11. Evolution and Behavior
What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?
1. origin of mitochondria
2. origin of multicellular eukaryotes
3. origin of chloroplasts
4. origin of cyanobacteria
5. origin of fungal-plant symbioses
#Question id: 23454
#General Aptitude
#Question id: 387
#Unit 1. Molecules and their Interaction Relevant to Biology
For a weak acid with a pKa of 6.0, What would be the ratio of acid to salt at pH 5.
#Question id: 1424
#Unit 4. Cell Communication and Cell Signaling
Gain-of-function mutations in which of the following genes typify colorectal carcinomas?
#Question id: 20989
#Unit 12. Applied Biology