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Biology, 07.11.2019 14:31 queensnowflake32
Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer? a. crispr-cas9 could act as an antioxidant in a person's cells, removing toxins that might otherwise damage dna. b. crispr-cas9 could remove from patients the genetic mutations that cause a specific cancer before the cancer begins. c. crispr-cas9 could remove any dna damage caused by smoking. d. crispr-cas9 could be a substitute for chemotherapy
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Biology, 22.06.2019 17:30
Mr. j, age 42, is a construction worker in las vegas. he recently noticed that a mole on his face seemed to be getting larger and darker. at first he did not worry because he was in the sun a lot and assumed the change may have been caused by sunburn. after a month, not only was the mole larger and darker, but it appeared to be “bumpy.” his doctor diagnosed a malignant melanoma skin cancer following biopsy of the nevus. mr. j reports pain in his right shin that does not go away when he puts his feet up or sleeps. discussion questions 1. relate mr. j’s skin changes to the warning signs for malignant melanoma. (see malignant melanoma.) 2. discuss the normal progression of this malignancy. what is the significance of the bone pain that mr. j is experiencing? (see malignant melanoma.) 3. discuss the treatment available for this patient and the prognosis for recovery. (see malignant melanoma.)
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Biology, 22.06.2019 21:30
Which of your fossils are most likely heterotrophs? which of them are autotrophs? how do you know?
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Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic mat...
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