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Biochemists have discovered a protein kinase enzyme named BRAF that is an important link in a molecular pathway that causes a cell to divide. Normally, BRAF responds to signals coming from outside the cell-signals calling for the cell to divide normally under normal conditions. But there is a mutation in BRAF enzymes that causes it activate the cell toward division continually. In this way it gives rise to melanomas and thyroid or ovarian cancers. Biochemists have also found a drug, vemurafenib, which binds selectively to mutant BRAF totally inactivating it. Cells that have inactivated BRAF undergo apoptosis-a process that leads to cell death.
Would this be a reduction of cancer risk, correction of cancer gene, or destruction of cancerous tissue? Looking for the most significant response. I am lending towards correction of cancer gene but am not sure?
How does the homeostatic mechanism regulate osmolarity or solute concentration of the blood in response to a meal high in salt?
in the principle of competitive exclusion there are no two species that can occupy the same niche. take that same
Determine which of the following molecules would double-negative T cells fail to express?
For each of the four major themes of animal evolution used in this course, describe the advantages and disadvantages of the trait. Next, list the major groups each major theme produced, and comment on the number of species and individuals in those..
Discuss the mechanisms of hormone action and a hormone that affects the male and why it is important.
If he would like to be able to pole vault up to six and twelve hundredths meters, how many more centimeters does he need to pole vault to reach his goal.
When the diaphragm and external intercostal muscles contract: The size of the pleural cavity increases Intrapleural pressure decreases.
Ribozymes have various catalytic activities with reactions that follow classical enzyme kinetics other than with low catalytic rate.
Explain when to use bright field, dark field and Phase Microscopy and how to set up the microscope for these different optics.
If a sample has a mean of 100 and a standard deviation of 6, what is the value in that set that corresponds to a z-score of 2?
What are the most essential nutritional factors that need to be followed for young kids.
1. What are some environmental factors that affect population growth? Do these factors affect developed and underdeveloped nations equally? Support your response with evidence.
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