Herceptin medication used for treating breast cancers, and Gleevec medication used for leukemia demonstrate that
A. each type of cancer is treated differently depending on the cellular structure targeted by the cancer.
B. the cell membrane is the common cell component that fails in all cancers.
C. "chemotherapy" of breast cancer and other cancers is directed towards quickly killing all cells in the affected tissue.
D. medical research has now given us strong prevention of these two cancers.
E. All of the answer choices are correct.
A. each type of cancer is treated differently depending on the cellular structure targeted by the cancer.
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Which of the following is the most primitive group of non-vascular plants?
a. liverwort b. hornwort c. moss d. lycophyta
Insertion of a thin tube through the vagina into the uterus to sample fetal tissue is called ________
Fill in the blank(s) with correct word
The diagram below shows a cell with three different membrane transport proteins. The Na+/K+ Pump is a primary active transporter and the Na+/Waste Co-transporter is a secondary active transporter. Arrows show the direction of net movement of molecules through the Pump and Co-transporter. The Na+ Channel can exist in either a closed state (no Na+ can pass through) or an open state (Na+ can pass through). Use this diagram to answer the questions below. What will happen to the net movement of Waste molecules if the Na+/K+ Pump stops working?
a) Net movement of Waste out of the cell will continue indefinitely (nothing will change) b) Net movement of Waste out of the cell will continue for some time and then Waste will be transported into the cell c) All net movement of Waste in or out of the cell will stop immediately d) Net movement of Waste out of the cell will stop immediately and then Waste will be transported into the cell e) Net movement of Waste out of the cell will continue for some time and then all net movement of Waste in or out of the cell will stop
Name that STD! Choose from the following STDs. You may use each choice more than once. In some cases, there may be several correct answers
gonorrhea, chlamydia, human papillomavirus (HPV) infection, genital herpes, syphilis • Which STD usually causes death if it is left untreated? • This STD goes through three stages before causing death. • Which STD is suspected after an abnormal PAP test in females? • Name two STDs that can be contracted on mucus membranes other than those of the reproductive systems. • If an STD is detected early, many can be easily treated. Which STD cannot be treated (meaning that the person can never get rid of it, even though it may be managed)? • Name three STDs that may have no symptoms (in either men or women). • John has symptoms of an STD (burning sensation while urinating and a yellowish discharge from the urethra) that popped up 3 days after sexual contact with a questionable partner. Based on his symptoms and this timing, John probably has which STD? • This STD can cause genital warts. • Which STD can cause a rash over the entire body? • Several STDs can be transmitted by oral sex. Name one. • For which STD is there now a vaccine available for females? What will be an ideal response?