Biology, 29.01.2020 01:09 3mory2006p78jan
Three species of lizard, labeled a, b, and c, are being studied using molecular analysis by two research colleagues in different laboratories. the mitochondrial dna of lizards a and b are compared and are found to differ by 0.1%. the ribosomal rna of lizards b and c are found to differ by 0.02%. they compare their findings and conclude that lizard b is more closely related to c than to a. what is the flaw in their reasoning, and how can their analysis be improved?
a. they applied different mathematical formulas for their computations. they should recalculate using the same formulas.
b. they compared different molecules which have different mutation rates. they should compare same molecule in the lizards.
c. they only made one measurement each. they should repeat their measurements to reduce the uncertainty in their results.
d. they used different equipment for analyzing the molecules since they work in different labs. they should work in the same lab.
Answers: 2
Biology, 21.06.2019 20:00
Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.
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Biology, 21.06.2019 23:30
Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.
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Biology, 22.06.2019 02:30
Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant
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Three species of lizard, labeled a, b, and c, are being studied using molecular analysis by two rese...
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