Which of the following are proposed theories of how life came about on Earth?
I. DNA world
11. Primordial Soup
III. RNA world
A.
III only
B.
I, II and III
C.
ll and Ill only
D.
I and II only
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Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

In the practice of science, this type of reasoning is used to develop explanations.

Construct at least two possible hypotheses for the student’s experiment.