Essential Amino Acids quiz Flashcards
Essential Amino Acids quiz
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What are essential amino acids, and from what source do you obtain them?
Essential amino acids are those that cannot be synthesized by the organism and must be obtained through diet. If you need more amino acids, what should you do?
Consume foods rich in essential amino acids, as they cannot be synthesized by the body. How many different amino acids are used in the synthesis of body proteins?
There are 20 different amino acids used in the synthesis of body proteins. Which of the following is an essential amino acid? A) Glycine B) Tryptophan C) Alanine D) Proline
B) Tryptophan How many amino acids must be obtained in the diet because they cannot be made by the body?
Nine amino acids must be obtained in the diet because they cannot be synthesized by the body. Why are certain amino acids called essential amino acids?
They are called essential because they cannot be synthesized by the organism and must be obtained through diet. Which statement is true of essential amino acids?
Essential amino acids cannot be synthesized by the organism and must be obtained through diet. What types of foods provide all the essential amino acids?
Complete proteins, typically found in animal products like meat, eggs, and dairy, provide all the essential amino acids. Proteins that lack one or more essential amino acids are said to be what?
Proteins that lack one or more essential amino acids are said to be incomplete proteins. Where are amino acids stored in the body to use when needed?
Amino acids are not stored in the body; they must be obtained from the diet as needed. Which type of foods usually contain the essential amino acids?
Animal-based foods such as meat, eggs, and dairy usually contain all the essential amino acids. Which of the following do all amino acids have in common? A) They all contain a carboxyl group B) They all contain a phosphate group C) They all contain a sulfur group D) They all contain a methyl group
A) They all contain a carboxyl group Which type of proteins contain all nine essential amino acids?
Complete proteins contain all nine essential amino acids. How many nonessential amino acids are there?
There are 11 nonessential amino acids. Which of the following amino acids is considered an essential amino acid? A) Serine B) Valine C) Glutamine D) Tyrosine
B) Valine Why can't indispensable amino acids be made in our body?
Indispensable amino acids, or essential amino acids, cannot be synthesized by the body due to the lack of necessary enzymes or metabolic pathways. How many amino acids do we have in our bodies?
We have 20 amino acids in our bodies. There are how many essential amino acids that are necessary for good human health and nutrition?
There are nine essential amino acids necessary for good human health and nutrition. How many amino acids are needed by the body to make all the necessary proteins?
The body needs 20 amino acids to make all the necessary proteins. What is the most common sign of malnutrition due to protein deficiency?
The most common sign of malnutrition due to protein deficiency is muscle wasting. How many nonessential amino acids are produced in the body?
The body produces 11 nonessential amino acids. Which of the following statements is true of essential amino acids? A) They can be synthesized by the body B) They must be obtained from the diet C) They are not necessary for protein synthesis D) They are only found in plant-based foods
B) They must be obtained from the diet How are most of the non-essential amino acids made in the body?
Most non-essential amino acids are synthesized in the body from other compounds. What best describes an essential amino acid?
An essential amino acid is one that cannot be synthesized by the body and must be obtained through diet. In the absence of tryptophan, what might occur in the body?
In the absence of tryptophan, protein synthesis may be impaired, leading to potential health issues. Which characteristic makes nine amino acids “essential”?
The characteristic that makes nine amino acids “essential” is that they cannot be synthesized by the body and must be obtained through diet. Which of the following are essential amino acids? A) Glycine, Alanine, Serine B) Valine, Leucine, Isoleucine C) Glutamine, Proline, Tyrosine D) Cysteine, Asparagine, Glutamic acid
B) Valine, Leucine, Isoleucine
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