Statements: (1) In the tripeptide Gly-Ala-Ser, the amino acid at the N-terminal end is Ser. (2) More than one polypeptide chain may be present in a conjugated protein but not in a simple protein. (3) In solution at physiological pH, the side chain of a polar basic amino acid bears a negative charge. a. All three statements are true. b. Two of the three statements are true. c. Only one of the statements is true. d. None of the statements are true.
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Which of these conditions most likely produces an unstable isotope?
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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What information does a complete ionic equation give that the balanced equation doesn’t show?
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The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
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Statements: (1) In the tripeptide Gly-Ala-Ser, the amino acid at the N-terminal end is Ser. (2) More...
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