You perform comparative genomic hybridization. Instead of using cancer cells, you accidentally make both red and green DNA molecules from normal tissue. What will your ratio of green fluorescence to red fluorescence be?
A. 0
B. 1
C. 2
D. There will be no signal.
A
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Testing for differentiation of M. nonliquefaciens and M. osloensis can best be performed by:
a. the ability to utilize acetate. b. the ability to liquefy serum. c. glucose utilization tests. d. growth on MacConkey agar.
The sac fungi are distinguished from all other groups of fungi because their reproductive structures are ________.
A. inside an ascus B. zygospores C. motile D. borne on basidia
In general, control groups should be ________
a. older than the experimental group b. more fit than the experimental group c. more diverse than the experimental group d. as similar as possible to the experimental group
If red blood cells cultured in an isotonic medium are placed in distilled water, they will most likely:
A. become dormant B. shrivel C. remain unchanged D. divide E. swell and lyse