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Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time
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Consider this microscopic image of bacteria, which bacterial form is shown in the image?
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Osmosis requires? a- all of the above b- a selectively permeable membrane c- none, it does not involve water d- water e- a concentration gradient between solutes and water
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Biology, 23.06.2019 06:30
What is the role of dna helicase during dna replication? a. to unwind the duplex dna b. to attach primers to the replicating strands c. to add bases in the sugar-phosphate backbone reset
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Why carbon monoxide (CO) is or is not a atom...
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