The relationship between strands of RNA and DNA during transcription is ______________.
A. antagonistic
B. opposite
C. complementary
D. an exact duplicate
E. unrelated
Answer: C
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Select all of the following that are types of roots. Check all that apply.
_____ Tap. _____ Fibrous. _____ Adventurous. _____ Buttress.
What were the short-term responses of each population during the first 20 years following the removal of the prairie dogs? a. Prairie dogs remained absent, and the mesquite population level rose to dominate thecommunity landscape
b. Ferrets, hawks, forbs, and mice populations all reduced very quickly to zero or near zero. c. Grasses rose very quickly, but then began to fall. d. All of the above.
The range of shapes found among members of a taxon may be thought of as a multidimensional space called a(n) ________
Fill in the blank(s) with correct word
Fusion of a cancer cell and a normal cell using polyethylene glycol yields a hybrid cell that behaves like a normal cell because
A) of recombination between cancer cell and normal cell chromosomes. B) of dilution of carcinogens in the hybrid cell cytoplasm. C) of the presence of normal cell tumor suppressor genes and gene products in the hybrid cell. D) exposure to polyethylene glycol inhibits expression of oncogenes. E) the normal cell DNA repair machinery reverses all cancer cell gene mutations.