Multiple Choice
Which pair of statements best describes an essential amino acid?
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3. Amino Acids
Essential Amino Acids
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How many essential amino acids are there in the human diet?
A
8
B
9
C
10
D
12
Verified step by step guidance1
Step 1: Understand the concept of essential amino acids. Essential amino acids are those that cannot be synthesized by the human body and must be obtained through the diet.
Step 2: Recall the list of essential amino acids. There are nine essential amino acids: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Step 3: Compare the options provided in the question with the correct number of essential amino acids. The correct number is 9.
Step 4: Recognize that the question may include distractors (e.g., 8, 10, 12) to test your knowledge of the exact number.
Step 5: Conclude that the correct answer is 9, based on the established list of essential amino acids in human nutrition.
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