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Biology, 21.06.2019 18:30
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
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Biology, 21.06.2019 21:30
I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.
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Biology, 22.06.2019 13:30
How does the color of light affect the germination time (amount time a plant takes to develop) of a radish seed?
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Biology, 22.06.2019 23:10
Accuracy in the translation of mrna into the sequence of amino acids in a polypeptide depends on specificity in which of the following? 1) binding of ribosomes to mrna 2) shape of the a and p sites of ribosomes 3) attachment of amino acids to trnas 4) bonding of the anticodon the codon and the attachment of amino acids to trnas
Answers: 1
What sustainability challenge is trevor facing here?
trevor’s village needs more farmland to...
trevor’s village needs more farmland to...
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