When Describing Malignant Bone Tumors to a Group of Students

question 10

Multiple Choice

When describing malignant bone tumors to a group of students, which of the following would the instructor cite as the usual location?

• A) Proximal humerus
• B) Wrist-hand junction
• C) Distal femur around the knee
• D) Femur-hip area

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Definitions:

Peptidyl Transferase

An enzyme component of the ribosome that catalyzes the formation of peptide bonds between amino acids during the synthesis of proteins.

Peptide Bond

A peptide bond is a chemical bond formed between two amino acids when the carboxyl group of one reacts with the amino group of the other, releasing a molecule of water.

Elongation Stage

The phase during DNA transcription or protein synthesis where the nucleic acid or protein chain is extended by the addition of more units.

SnRNPs

Small nuclear ribonucleoproteins involved in the splicing of pre-mRNA in the nucleus.