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The proteins in biological organisms include 20 different kinds of amino acids. What is the minimum number of different types of tRNA molecules that must exist in the cell
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Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels
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Biology, 22.06.2019 09:30, xmanavongrove55
Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these
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The proteins in biological organisms include 20 different kinds of amino acids. What is the minimum...
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