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MULTICHOICE
1. Of the following elements associated with macronutrients, which one is found exclusively in
proteins?
(A) carbon
(B) oxygen
(C) hydrogen
(D) nitrogen
Answer : (D)
2. How are amino acids more complex than the building units of carbohydrates and fats?
(A) Amino acids are longer in length.
(B) Amino acids do not contain carbon.
(C) Amino acids are composed of both carbohydrates and fats.
(D) Each amino acid has a unique side chain.
Answer : (D)
3. Which of the following characteristics is the same for all amino acids?
(A) electrical charge
(B) chemical structure
(C) number of carbons
(D) a central carbon
Answer : (D)
4. Which of the following terms that are used to classify amino acids in the diet can be applied to
alanine?
(A) essential
(B) nonessential
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(C) indispensable
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(D) conditionally essential
Answer : (B)
5. Which of the following groups are all contained in an amino acid?
(A) an amino group, an acid group, an aldehyde group
(B) an amino group, an alcohol group, a sulphur group
(C) an amino group, an acid group, a side group
(D) an amino group, an aldehyde group, an aromatic group
Answer : (C)
6. Which of the following is the approximate number of the different amino acids used in the
synthesis of body proteins?
(A) 5
(B) 10
(C) 15
(D) 20
Answer : (D)
7. What is the simplest amino acid?
(A) valine
(B) glycine
(C) alanine
(D) methionine
Answer : (B)
8. Which of the following is a DISPENSABLE amino acid in human nutrition?
(A) proline
(B) threonine
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(C) methionine
(D) tryptophan
Correct Answers | Portage Learning
MULTICHOICE
1. Of the following elements associated with macronutrients, which one is found exclusively in
proteins?
(A) carbon
(B) oxygen
(C) hydrogen
(D) nitrogen
Answer : (D)
2. How are amino acids more complex than the building units of carbohydrates and fats?
(A) Amino acids are longer in length.
(B) Amino acids do not contain carbon.
(C) Amino acids are composed of both carbohydrates and fats.
(D) Each amino acid has a unique side chain.
Answer : (D)
3. Which of the following characteristics is the same for all amino acids?
(A) electrical charge
(B) chemical structure
(C) number of carbons
(D) a central carbon
Answer : (D)
4. Which of the following terms that are used to classify amino acids in the diet can be applied to
alanine?
(A) essential
(B) nonessential
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(C) indispensable
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(D) conditionally essential
Answer : (B)
5. Which of the following groups are all contained in an amino acid?
(A) an amino group, an acid group, an aldehyde group
(B) an amino group, an alcohol group, a sulphur group
(C) an amino group, an acid group, a side group
(D) an amino group, an aldehyde group, an aromatic group
Answer : (C)
6. Which of the following is the approximate number of the different amino acids used in the
synthesis of body proteins?
(A) 5
(B) 10
(C) 15
(D) 20
Answer : (D)
7. What is the simplest amino acid?
(A) valine
(B) glycine
(C) alanine
(D) methionine
Answer : (B)
8. Which of the following is a DISPENSABLE amino acid in human nutrition?
(A) proline
(B) threonine
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(C) methionine
(D) tryptophan
