Tumors induce blood vessel growth by secreting various ________.
a. RTKs
b. substrates
c. growth factors
d. all of above
Ans: c. growth factors
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Knowing an individual's DNA sequence may be beneficial because:
A. it makes it possible to predict susceptibility to disease. B. it makes it possible to predict response to medications. C. it makes it possible to predict physical differences. D. it makes it possible to predict the occurrence of a disease. E. All of the answer options are correct.
A test that uses gelatin particles sensitized with T. pallidum subsp. pallidum antigens to detect specific antitreponemal antibodies in patient serum is called the __________ test
a. RPR b. FTA-ABS c. VDRL d. TP-PA
After fertilization of an egg the totipotent cell divides and the cells begin to specialize. These 30—40 cells are called ________ and are pluripotent
A) embryonic stem cells B) germ line cells C) somatic cells D) T cells
Plants make ATP during the light reactions of photosynthesis. Why do plants also need to carry out the process of cellular respiration?
A) Plants need to make ATP from cellular respiration only when the conditions for photosynthesis are bad. B) The ATP made during photosynthesis is only enough to fuel the dark reactions. The plant has to carry out cellular respiration to make ATP for other metabolic activities. C) Plants do not need to perform cellular respiration. D) The ATP made during photosynthesis is different from the ATP made during cellular respiration.