#Question id: 5017
#Unit 11. Evolution and Behavior
Arrange these events from earliest to most recent.
1. emission of lava in what is now Siberia at time of Permian extinctions
2. emission of lava that solidified at the same time as iron-bearing terrestrial rocks began to rust
3. emission of lava that solidified at the same time as rusted iron precipitated from seawater
4. emission of lava in what is now India at time of Cretaceous extinctions
#Question id: 27554
#Unit 1. Molecules and their Interaction Relevant to Biology
Alanine can be easily mutated to
1. Serine
2. Cysteine
3. Aspartate
4. Lysine
#Question id: 364
#Unit 1. Molecules and their Interaction Relevant to Biology
A solution contains 0.0000001 (10-7) moles of hydrogen ions [H+] per liter. Which of the following best describes this solution?
#Question id: 10531
#Unit 2. Cellular Organization
Flippases catalyze translocation of the aminophospholipids:
#Question id: 15880
#Unit 12. Applied Biology