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    Chemistry
  3. Study Set
    Principles of Biochemistry Study Set 1
  4. Exam
    Exam 3: Amino Acids and the Primary Structures of Proteins
  5. Question
    The Last Common Ancestor of Modern Organisms Must Have Used
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The Last Common Ancestor of Modern Organisms Must Have Used

Question 20

Question 20

Multiple Choice

The last common ancestor of modern organisms must have used


A) both D and L amino acids.
B) D amino acids.
C) L amino acids.
D) either D or L amino acids.

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