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Biology, 21.06.2019 20:30
According to the big bang theory, after the "bang," the universe remained dark until about 300,000 yearsone billion yearsthree minutesthree billion years later, when neutral atoms began to form.
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Biology, 22.06.2019 03:00
Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.
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Biology, 22.06.2019 03:30
Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins
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Biology, 22.06.2019 08:00
Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of
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Do all mutations have the same effect on DNA? Why or why not?...
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