MCQ on Amino Acid Biosynthesis




Amino acid biosynthesis is a complex cellular process where organisms synthesize amino acids, the building blocks of proteins. It involves intricate pathways, often regulated by feedback mechanisms, to ensure balanced amino acid production. These pathways are crucial for sustaining life, growth, and diverse physiological functions across all living organisms. With this MCQ on Amino Acid Biosynthesis, you can learn the basics of amino acid biosynthesis in plants and animals.

Learn more: Nucleic Acid Biosynthesis Notes



Amino acids are the building blocks of proteins. Which of the following elements is found in all amino acids?

Non-essential amino acids can be synthesized by the human body. How many non-essential amino acids are there?

Essential amino acids cannot be synthesized by the human body and must be obtained from the diet. How many essential amino acids are there?

The conversion of pyruvate to alanine is an example of:

Which of the following amino acids is classified as both glucogenic and ketogenic?

The synthesis of amino acids is regulated by feedback inhibition. This means that:

Which of the following amino acids is derived from the glycolytic intermediate 3-phosphoglycerate?

The synthesis of all amino acids begins with which molecule?

Which enzyme is responsible for the conversion of glutamate to glutamine?

The urea cycle is responsible for the synthesis of which amino acid?

The shikimate pathway is involved in the biosynthesis of which group of amino acids?

Which of the following amino acids is derived from the TCA (tricarboxylic acid) cycle intermediate oxaloacetate?

Which enzyme is involved in the rate-limiting step of histidine biosynthesis?

The synthesis of cysteine requires which amino acid as a precursor?

Which of the following amino acids is synthesized from phosphoenolpyruvate (PEP) in plants and bacteria?

Learn more: Biochemistry Notes  |  Biochemistry PPT  |  Biochemistry MCQs  |

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