At what age is a child likely to learn to sit up without support? (2 points)
One day
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Biology, 22.06.2019 00:10
Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?
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The normal shape of an enzyme is as shown in structure a. if the enzyme’s shape changes to that shown in structure b, what are two consequences of this change?
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Biology, 22.06.2019 12:10
Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species
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