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Question: 1. Why Was Taxol A Controversial Cancer Drug When It Was Discovered? A Whole Tree Would Have To Be Killed To Treat Each Person, Causing Environmentalists To Clash With Patient Advocates. Extraction Of The Drug Required Killing Thousands Of Old-growth Trees That Grow In A Limited Area. It Was Difficult To Obtain Enough Taxol To Treat All The Patients ...

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1. Why was taxol a controversial cancer drug when it was discovered?

               A whole tree would have to be killed to treat each person, causing environmentalists to clash with patient advocates.

               Extraction of the drug required killing thousands of old-growth trees that grow in a limited area.

               It was difficult to obtain enough taxol to treat all the patients who needed it.

               All of the above.

               The rare spotted owl nested in the forests of trees from which the drug was extracted.

2. Apoptosis

               is programmed cell death.

               occurs in normal cell division.

               is a mechanism of cell repair.

               contains several checkpoints.

               ensures equal DNA in cytokinesis.

3. Proto-oncogenes are

               tumor regulators.

               required for normal cell division.

               mutations in oncogenes.

               tumor suppressors.

               cancer-causing in normal cells.

4.            Taxol was an important new chemotherapy drug because it

              was effective and inexpensive.

               was present in only very low amounts in tree bark.

               killed ovarian and breast cancer cells.

               targeted a different step of the cell cycle compared to other drugs.

               could be extracted from widely available trees.

5. Substitution of a nucleotide base in the tenth codon of a 300 codon coding sequence of a gene may alter the protein's

               All of the above.

               amino acid sequence.


               3D shape.


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QUESTION 1 The correct answer is All the above: Taxol was the answer for a lot of cancer patients but there were many ethical issues which made its extraction view the full answer