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Biology, 29.11.2019 00:31 smmailloux2335
Nasa has published a list of criteria for identifying fossil bacteria in samples from mars, as part of a search for evidence of life. which of the following is good evidence for the presence of bacterial cells?
a. cell size of 0.5 to 2 microns
b. three dimensional organization of cells in a starburst pattern
c. absence of carbon in the material
d. no evidence of water in the surrounding mineral
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