A PCR assay is performed on a patient with presumptive mantle cell lymphoma using primers against the immunoglobulin heavy chain gene and the cyclin D1 (CCND1) gene. Capillary gel electrophoresis was used for product detection, and the patient did not have a detectable PCR product. All controls were acceptable. Which of the following is the correct interpretation of this result?

Herceptin (trastuzumab) therapy works best on what tumors?

This gene is frequently tested with K-ras and works on the same pathway downstream of K-ras in colon cancer.

These genes form a dimeric enzyme that catalyzes decarboxylation of isocitrate into alpha-ketoglutarate.

What are the two checkpoints of the cell division cycle?

Lymphocytes ______________ in order the fight pathogens.

The vena cavae are the largest of what type of vessel?

Cells directly responsible for cellular immunity are the ________ cells.

Which layer/tunica of a blood vessel contains concentric sheets of smooth muscle tissue?

Multiple arteries joining in order to serve a single capillary network are called