#Question id: 1556
#Unit 4. Cell Communication and Cell Signaling
Which one of these is not a property of Antigen?
#Question id: 26456
#Unit 3. Fundamental Processes
Consensus sequence are
#Question id: 23771
#Unit 7. System Physiology – Animal
#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: 10539
#Unit 6. System Physiology – Plant
All plants releases green-leaf volatiles in response to mechanical damage, this volatile is a mixture of