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Author Question: Amino acids that are not synthesized by the human body and must be obtained in food sources are ... (Read 53 times)

V@ndy87

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on: Aug 27, 2018
Amino acids that are not synthesized by the human body and must be obtained in food sources are called
 
  A) nucleic acids.
  B) carboxylic acids.
  C) essential amino acids.
  D) vitamins.

Question 2

Alpha particles can be stopped by a
 
  A) sheet of paper.
  B) block of wood.
  C) thin sheet of aluminum.
  D) all of these


samiel-sayed

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Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

D


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