Exploring Amino Acids: Structure, Function, and Synthesis

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Quizzes Created: 7229 | Total Attempts: 9,524,689
| Questions: 16 | Updated: Sep 30, 2025
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1. What amino acid is alanine?

Explanation

Alanine is a nonpolar, nonessential amino acid with an aliphatic side chain. It plays a key role in the metabolism of sugars and organic acids.

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About This Quiz
Proteins Quizzes & Trivia

Explore the fundamental structures of amino acids in this focused educational content. Understand their unique features and roles in protein synthesis, enhancing your knowledge in biochemical processes and applications in various scientific fields.

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2. What is the chemical name of the amino acid represented by the three-letter code 'Val'?

Explanation

Valine is a proteinogenic amino acid that is essential for human nutrition. It is commonly found in foods such as meat, dairy products, and grains.

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3. What amino acid is essential for human growth and development, and is necessary for the synthesis of proteins?

Explanation

Methionine is an essential amino acid that plays a crucial role in the synthesis of proteins and contributes to human growth and development. Lysine, Glutamine, and Asparagine are also amino acids but do not share the same roles or importance as methionine in protein synthesis.

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4. What is the chemical name for the amino acid commonly known as phenylalanine?

Explanation

Phenylalanine is an essential amino acid that can be found in foods high in protein, such as meat, fish, eggs, dairy, and some plant-based sources. The correct chemical name for phenylalanine is L-phenylalanine.

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5. What amino acid is classified as polar and neutral with a hydroxyl side chain?

Explanation

Serine is a polar and neutral amino acid that contains a hydroxyl side chain, making it different from alanine, lysine, and valine which do not have the same chemical properties.

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6. What amino acid has the three-letter abbreviation 'Thr'?

Explanation

Threonine is represented by the three-letter abbreviation 'Thr', while Cysteine is 'Cys', Valine is 'Val', and Glycine is 'Gly'.

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7. What is the most abundant neurotransmitter in the human nervous system?

Explanation

Glutamate is the most abundant neurotransmitter in the human nervous system, playing a key role in excitatory signaling.

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8. What is the full name of the amino acid commonly abbreviated as Asp in biological contexts?

Explanation

Aspartate is the anion of aspartic acid, which is one of the 20 standard amino acids commonly found in proteins.

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9. What amino acid is the precursor for the synthesis of nitric oxide?

Explanation

Arginine is a precursor for the synthesis of nitric oxide, which plays a key role in vasodilation and various physiological processes in the body.

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10. What amino acid is lysine?

Explanation

Lysine is an essential amino acid that plays a crucial role in various biological processes in the body, including protein synthesis and cellular function.

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11. What is the chemical structure of histidine?
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12. What is the chemical compound known as asparagine?

Explanation

Asparagine is classified as a non-essential amino acid, meaning that it is synthesized by the human body and is found in various proteins.

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13. What is the most abundant amino acid in the human body?

Explanation

Glutamine is the most abundant amino acid in the body, particularly in muscle tissue, playing a key role in protein synthesis and providing energy for various cells.

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14. What is the simplest amino acid?

Explanation

Glycine is the simplest amino acid with a hydrogen atom as its side chain. Alanine, Leucine, and Phenylalanine are more complex amino acids with different side chains.

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15. What is the essential amino acid known for its role in protein synthesis and muscle repair?

Explanation

Leucine is one of the essential amino acids that plays a crucial role in protein synthesis and muscle repair. It is important for athletes and bodybuilders looking to build muscle mass.

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16. What is the chemical compound proline commonly used for?

Explanation

Proline is an amino acid that is involved in the building of proteins, particularly collagen and connective tissues.

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What amino acid is alanine?
What is the chemical name of the amino acid represented by the...
What amino acid is essential for human growth and development, and is...
What is the chemical name for the amino acid commonly known as...
What amino acid is classified as polar and neutral with a hydroxyl...
What amino acid has the three-letter abbreviation 'Thr'?
What is the most abundant neurotransmitter in the human nervous...
What is the full name of the amino acid commonly abbreviated as Asp in...
What amino acid is the precursor for the synthesis of nitric oxide?
What amino acid is lysine?
What is the chemical structure of histidine?
What is the chemical compound known as asparagine?
What is the most abundant amino acid in the human body?
What is the simplest amino acid?
What is the essential amino acid known for its role in protein...
What is the chemical compound proline commonly used for?
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