Multiple Choice
Which of the following is a nonessential amino acid?
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3. Amino Acids
Essential Amino Acids
Multiple Choice
How many essential amino acids are required by the human body for proper functioning?
A
9
B
8
C
20
D
12
Verified step by step guidance1
Step 1: Understand the concept of essential amino acids. Essential amino acids are those that the human body cannot synthesize on its own and must be obtained through the diet.
Step 2: Recall the total number of amino acids that are used to build proteins in the human body. There are 20 standard amino acids.
Step 3: Identify the subset of amino acids that are classified as essential. These are the amino acids that must be consumed because the body cannot produce them.
Step 4: Learn the names of the 9 essential amino acids: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
Step 5: Compare the options provided in the question and select the correct number of essential amino acids required by the human body, which is 9.
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