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In cells infected with simian sarcoma virus, the sis oncogene causes the cells to release increased amounts of Sis protein, which is recognized by PDGF-receptor molecules on the cells surface. This type of signaling loop is an example of __________ signaling?

Which scientist was the first to discover a virus that causes cancer?

How can oncogenic Ras signaling reduce anoikis?

Define anoikis and indicate the signaling pathway that is central to preventing it.

Match each drug suffix with the most appropriate description.

For a time, some scientists believed all forms of cancer were caused by viruses either due to infection or activation of endogenous proviruses. Which of the following correctly suggests why the virus theory began to fall apart

Aberrant levels of which oncogenic transcription factor cause problems in patients suffering from Familial Adenomatous Polyposis (FAP) syndrome?

Which of the following is a negative feedback regulator of Ras signaling?

Approximately how many protein coding genes are in the human genome? [A]

Which of the following is NOT true of the Src protein?