Biology, 02.03.2021 21:00 eichlingkera3
Almonella food poisoning is caused by Salmonella bacteria. Salmonella is treated with an antibiotic called nalidixic acid. Nalidixic acid is no longer effective for some strains of Salmonella bacteria. Explain how these bacteria have evolved by natural selection.
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Biology, 21.06.2019 20:50
Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?
Answers: 1
Biology, 22.06.2019 00:20
What are the possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o
Answers: 3
Biology, 22.06.2019 03:00
Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .
Answers: 1
Biology, 22.06.2019 08:30
Construct at least two possible hypotheses for the student’s experiment.
Answers: 3
Almonella food poisoning is caused by Salmonella bacteria. Salmonella is treated with an antibiotic...
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