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Biology, 21.06.2019 18:30
Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.
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Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
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Biology, 22.06.2019 05:30
Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above
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Biology, 22.06.2019 15:50
The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids
Answers: 1
Is energy produced in aerobic respiration...
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