#Question id: 4931
#11. Evolution and Behavior
During course of evolution first prototroph was anoxygenic?
#Question id: 4932
#10. Ecological Principles
Which of the following is the best hypothesis regarding origins of nucleic acids?
#Question id: 4933
#11. Evolution and Behavior
What structure do protocells have in common with current cells?
#Question id: 4934
#11. Evolution and Behavior
What is another hypothesis regarding the formation of polymers such as proteins and nucleic acids?
#Question id: 4935
#11. Evolution and Behavior
Which gas was least abundant in Earthʹs early atmosphere, prior to 2 billion years ago?
#Question id: 4940
#11. Evolution and Behavior
In their laboratory simulations of the early Earth, Miller and Urey observed the abiotic synthesis of