Imagine that a new species of bacteria is isolated from the Mars Maven Mission.
ID: 40643 • Letter: I
Question
Imagine that a new species of bacteria is isolated from the Mars Maven Mission. This species of bacteria contains the same nucleic acids (DNA and RNA) as found in all living cells on earth. Scientists are trying to determine if its genetic code is the same seen as that of other bacteria found here on earth such as E. coli. Which experiment would be MOST useful to clarify this?
a.)
isolate DNA from the new bacteria and compare the gene sequences to E. coli gene sequences
isolate mRNA from that new bacteria and try to translate it using the protein translation machinery from E. coli
isolate an mRNA from the new bacteria and compare the amino acid sequences that result when that mRNA is translated in both the new bacteria and in E. coli
isolate proteins from the new bacteria and compare the amino acid sequences to amino acid sequences in E. coli proteins
isolate DNA from the new bacteria and compare the gene sequences to E. coli gene sequences
b.)isolate mRNA from that new bacteria and try to translate it using the protein translation machinery from E. coli
c.)isolate an mRNA from the new bacteria and compare the amino acid sequences that result when that mRNA is translated in both the new bacteria and in E. coli
d.)isolate proteins from the new bacteria and compare the amino acid sequences to amino acid sequences in E. coli proteins
Explanation / Answer
c. isolate an mRNA from the new bacteria and compare the amino acid sequences that result when that mRNA is translated in both the new bacteria and E.coli.