Biology, 24.07.2019 00:20 electrofy456
The element nitrogen has the atomic number 7 and an atomic mass of 14. how many neutrons does an atom of nitrogen contain?
Answers: 2
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How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.
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Biology, 22.06.2019 14:50
Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.
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Biology, 22.06.2019 15:50
We all have different forms of genes from our parent(s).what are these different forms called? a.alleles b.characters c.dna d.resources
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Biology, 22.06.2019 20:30
Which best describes somatic mutations? they are usually passed on to offspring. they can cause different kinds of cancer. they always result from point mutations. they only occur in reproductive cell
Answers: 2
The element nitrogen has the atomic number 7 and an atomic mass of 14. how many neutrons does an ato...
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