#Question id: 20402
#Unit 3. Fundamental Processes
#Question id: 4941
#Unit 11. Evolution and Behavior
Which of the factors below weaken the hypothesis of abiotic synthesis of organic monomers in early Earthʹs atmosphere?
1. the relatively short time between intense meteor bombardment and appearance of the first life forms
2. the lack of experimental evidence that organic monomers can form by abiotic synthesis
3. Uncertainty about which gases comprised early Earthʹs atmosphere
#Question id: 26908
#Unit 10. Ecological Principles
#Question id: 1570
#Unit 4. Cell Communication and Cell Signaling
Which cells and which signaling molecules are responsible for initiating an inflammatory response?
#Question id: 23405
#General Aptitude