Oncogenic Mutations in H-Ras Are Most Often the Result of

question 11

Multiple Choice

Oncogenic mutations in H-Ras are most often the result of

• A)Point mutations resulting in a premature stop codon.
• B)Point mutations that change the protein's structure and result in its constitutive activation.
• C)Insertion of extra bases in exon 1 of the gene.
• D)Frameshift mutations.
• E)None of the above.

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Definitions:

Cardiac Tamponade

A medical emergency where fluid accumulates in the pericardium, compressing the heart and reducing its ability to pump blood.

Pericardial Cavity

Space within the mediastinum in which the heart is located.

Pulmonary Circulation

The portion of the cardiovascular system that carries deoxygenated blood from the heart to the lungs and returns oxygenated blood back to the heart.

Fibrous Pericardium

The tough, fibrous outer layer of the pericardium that provides mechanical protection and stabilization to the heart.