Humans and chimpanzees diverged about 6 million years ago. If 12 nucleotide substitutions have occurred between human and chimpanzee lineages in a sequence of mitochondrial DNA, and 36 have occurred between humans and gibbons, humans and gibbons, according to the molecular clock, separated million years ago.
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Biology, 22.06.2019 06:30
How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased
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Biology, 22.06.2019 07:50
Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers
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Biology, 22.06.2019 08:50
If the nucleus of a cell was removed the cell wouldnβt be able to make proteins because
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Humans and chimpanzees diverged about 6 million years ago. If 12 nucleotide substitutions have occur...
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