The process in which amino acids are attached to tRNA molecules is called A. Amino acid activation. This process is crucial for protein synthesis in cells. Here are the steps:

1. The first step in this process is the activation of amino acids. This is done by an enzyme called aminoacyl-tRNA synthetase. There are 20 different types of this enzyme, one for each amino acid. The enzyme binds to both the amino acid and ATP.

2. The binding of the amino acid and ATP triggers the hydrolysis of ATP, which provides the energy needed to attach the amino acid to the tRNA molecule. The result is an aminoacyl-tRNA molecule and AMP.

3. The aminoacyl-tRNA molecule then binds to the ribosome, where it pairs its anticodon with the corresponding codon on the mRNA molecule. This positions the amino acid for incorporation into the growing polypeptide chain.

4. Once the amino acid is added to the polypeptide chain, the tRNA is released from the ribosome and is available to be recharged with another amino acid.

So, the correct answer is A. Amino acid activation.

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The process in which amino acids are attached to tRNA molecules is called A. Amino acid activation. This process is crucial for protein synthesis in cells. Here are the steps:

1. The first step in this process is the activation of amino acids. This is done by an enzyme called aminoacyl-tRNA synthetase. There are 20 different types of this enzyme, one for each amino acid. The enzyme binds to both the amino acid and ATP.

2. The binding of the amino acid and ATP triggers the hydrolysis of ATP, which provides the energy needed to attach the amino acid to the tRNA molecule. The result is an aminoacyl-tRNA molecule and AMP.

3. The aminoacyl-tRNA molecule then binds to the ribosome, where it pairs its anticodon with the corresponding codon on the mRNA molecule. This positions the amino acid for incorporation into the growing polypeptide chain.

4. Once the amino acid is added to the polypeptide chain, the tRNA is released from the ribosome and is available to be recharged with another amino acid.

So, the correct answer is A. Amino acid activation.

Knowee AI · Accepted Answer

The process in which amino acids are attached to tRNA molecules is called A. Amino acid activation. This process is crucial for protein synthesis in cells. Here are the steps:

1. The first step in this process is the activation of amino acids. This is done by an enzyme called aminoacyl-tRNA synthetase. There are 20 different types of this enzyme, one for each amino acid. The enzyme binds to both the amino acid and ATP.

2. The binding of the amino acid and ATP triggers the hydrolysis of ATP, which provides the energy needed to attach the amino acid to the tRNA molecule. The result is an aminoacyl-tRNA molecule and AMP.

3. The aminoacyl-tRNA molecule then binds to the ribosome, where it pairs its anticodon with the corresponding codon on the mRNA molecule. This positions the amino acid for incorporation into the growing polypeptide chain.

4. Once the amino acid is added to the polypeptide chain, the tRNA is released from the ribosome and is available to be recharged with another amino acid.

So, the correct answer is A. Amino acid activation.

The process in which amino acids are attached to tRNA molecules is called A. Amino acid activation B. Codon activation C. Anticodon activation D. tRNA activation

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