The reaction, Amino acid `+` ATP `rarr` Aminoacyl -MAP`+` P-P depicts `:`

Options

A. Amino acid assimilaiton
B. Amino acid tarnsformation
C. Amino acid activation
D. Amino acid translocation

Answer

**Step-by-Step Solution:**

1. **Understanding the Reaction**: The reaction given is "Amino acid + ATP → Aminoacyl-MAP + PP". Here, an amino acid is reacting with ATP (adenosine triphosphate).

2. **Role of ATP**: In this reaction, ATP serves as a source of energy. When ATP is used, it is converted to AMP (adenosine monophosphate) and pyrophosphate (PP), which is a by-product.

3. **Formation of Aminoacyl-MAP**: The amino acid binds with AMP to form an aminoacyl-AMP complex. This complex is referred to as an activated amino acid because it is now ready to participate in protein synthesis.

4. **Enzyme Involvement**: The enzyme responsible for this reaction is called aminoacyl-tRNA synthetase. This enzyme catalyzes the attachment of the amino acid to AMP.

5. **Charged tRNA Formation**: The activated amino acid (aminoacyl-AMP) then binds to a specific tRNA molecule. This process results in the formation of charged tRNA, which is essential for the next step in protein synthesis.

6. **Release of AMP**: During the binding of the amino acid to tRNA, AMP is released, and the tRNA becomes charged with the amino acid.

7. **Conclusion**: The overall process depicted in the reaction is known as amino acid activation, which is a crucial step in the translation phase of protein synthesis.

**Final Answer**: The reaction depicts amino acid activation.

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