What is the function of immersion oil?
A. Increases light refraction and improves resolving power
B. Increases light refraction and decreases resolving power
C. Decreases light refraction and decreases resolving power
D. Decreases light refraction and improves resolving power
Answer: D. Decreases light refraction and improves resolving power
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In mammals, four isomers of the glycolytic enzyme ________ have increased expression in tumor cells.
Fill in the blank(s) with the appropriate word(s).
Some compounds are themselves not carcinogens, but their metabolic activity on the compound produces intermediates that are carcinogenic. This process is known as
A) precarcinogenesis. B) carcinogen activation. C) metabolic carcinogenesis. D) plasminogen activation. E) DNA mutagenesis.
Gram-positive organisms are more likely to cause fatal septicemias than other infectious agents
Indicate whether this statement is TRUE or FALSE.
Which of the following would be an effective approach to a new cancer therapy?
A. finding a way to stabilize p53 specifically in tumor cells B. preventing nucleotide synthesis in tumor cells C. inactivating the HER2 receptor on tumor cells D. inhibiting growth of new blood vessels with endostatin E. All of the above would help to fight cancer.