Phosphorylation of signal transduction molecules is a major activating event that leads to dramatic changes in tumor growth. Some TKs, such as epidermal growth factor receptor (EGFR)-TK, can autophosphorylate when activated, as well as phosphorylating other signaling molecules [2].
Risk indexes Definition: Categories of risk used to calculate fundamental beta, including (1) market variability, (2) earnings variability, (3) low valuation, (4) immaturity and smallness, (5) growth orientation, and (6) financial risk.
Description. The index is a modified capitalization weighted index that includes securities of The NASDAQ Stock Market listed companies that are classified as either biotechnology or pharmaceutical.he securities also meet other eligibility criteria determined by The NASDAQ OMX Group, Inc., including a minimum market capitalization of $200 million and an average daily trading volume of at least 100,000 shares.