Which global elemental cycle is most heavily influenced by human activities?

A. carbon
B. water
C. sulfur
D. phosphorus
E. None of these choices are correct.


C. sulfur

Biology & Microbiology

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Which of the following threatens the Texas blind salamander?

a. aquifer depletion b. poaching c. overharvesting d. habitat fragmentation

Biology & Microbiology

Metabolic channeling involves the localization of ________ in different parts of a cell in order to influence the activity of metabolic pathways.

A. repressors B. substrates and enzymes C. inhibitors D. activators

Biology & Microbiology

Which of the following fungi/phylum associations is incorrect?

A. morel mushroom / Ascomycota B. cup fungus / Glomeromycota C. Chytriomyces / Chytridiomycota D. button mushrooms / Basidiomycota E. black bread mold / Zygomycota

Biology & Microbiology

If a haploid cell goes through mitosis it will generate

a)two haploid cells. b)two diploid cells. c)four haploid cells. d)four diploid cells. e)This is not possible.

Biology & Microbiology