Which of the following factors exhibits one of the most striking changes as one crosses the ecotone between communities on serpentine and nonserpentine soils in southwestern Oregon?

A) soil depth
B) soil temperature
C) soil chromium
D) soil moisture


Ans: C) soil chromium

Biology & Microbiology

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All of the following are challenges in gene therapy EXCEPT ________

A) designing a strategy B) unknown cell types C) unknown specific mutations D) inaccessible tissues

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A. mutation B. meiosis C. cell cycle D. protein synthesis

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Gymnosperms include plants that demonstrate which of the following characteristics? Select all correct choices

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