Which of the Following Is Not True

question 70

Multiple Choice

Which of the following is not true?

• A) A single activating enzyme can interact with all the tRNAs for its corresponding amino acid
• B) The selectivity of the aminoacyl-tRNA synthetases for their tRNA molecules is often called the second genetic code
• C) There are two major classes of aminoacyl-tRNA synthetases
• D) aminoacyl-tRNA synthetases link amino acids to tRNA molecules without the need for an energy source

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Definitions:

Dislocation

The displacement of one or more bones at a joint, causing pain and loss of function.

Luxation

The dislocation or displacement of a bone from its joint, often causing pain and immobility.

Fracture

A break in bone or cartilage, which can range in severity from a small crack to a complete break.

Circumduction

A type of joint movement where the distal end of a bone moves in a circle while the proximal end remains in one position.