What 2 chemicals/proteins do PRIMARY tumor cells secrete?
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A new signal sequence has been identified. The signal sequence is as follows: NH2-Histidine-Alanine-Proline-Proline-Tyrosine-COOH. The current hypothesis is that in animal cells the new signal sequence is used to secrete proteins. Design an experiment to test this hypothesis.
In your response be sure to
1. Explain purification approach (if necessary)
2. Include controls
3. Expected results
Design any chemicals or biology tools (reagents) needed.
How do bacteria secrete proteins if they don't have a membranoussecretory pathway?
2. What is the evidence (given at the end of Hallmarks) thatcancer cells can communicate with each other across the body, thatthe primary tumor can control micro-metastases in distant organsand that the original tumor is modified by cells in its metastases.Does these seem to indicate coordination among cells. Most peoplecompare cancer cells to loner rogues, outlaws who live and die forthemselves alone
