Biology, 04.12.2019 00:31 pxrnstar4613
Consider the following experiment. first, large populations of two mutant strains of escherichia coli are mixed, each requiring a different, single amino acid. after plating them onto a minimal medium, 45 colonies grew. which of the following may explain this result?
a) the colonies may be due to back mutation (reversion).
b) the colonies may be due to recombination.
c) either a or b is possible.
d) neither a nor b is possible.
Answers: 2
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Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as
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What do lava flows made of aa indicate about the type of volcanic eruption that occurred? a. the eruption was viscous. b. the eruption was pyroclastic. c. the eruption was explosive. d. the eruption was quite. !
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Consider the following experiment. first, large populations of two mutant strains of escherichia col...
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