Which of the following biogeochemical cycles contain a mineral component?

A. oxygen
B. phosphorus
C. nitrogen
D. carbon
E. water


Answer: B

Biology & Microbiology

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Explain the nature and function of an enrichment culture

What will be an ideal response?

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What is the most likely source of various

hangover symptoms?

a. acetate b. acetaldehyde c. ethanol d. alcohol dehydrogenase e. carbon dioxide

Biology & Microbiology

Hemoglobin helps maintain the oxygen pressure gradient by ____

a. carrying oxygen away from the lungs b. carrying carbon dioxide away from the lungs c. releasing oxygen at the lungs d. releasing carbon dioxide at the tissue e. releasing oxygen into the alveoli

Biology & Microbiology

Consider the following proposed determining function for a student's grade on the econometrics final, FinalGradei = 68 + 4 HoursStudiedi - 0.5 Num Other Finalsi2 + Ui, where hours studied is the number of hours studied during finals week by student i, and number of other finals squared is the number of other finals student i has during finals week squared. Derive the formula for the change in a student's final grade with respect to a unit change in the number of other finals the student has in finals week.

A. Final Grade increases by 0.5 × (Num Other Finals). B. Final Grade decreases by Num Other Finals. C. Final Grade decreases by 0.5. D. Final Grade increases by 4.

Biology & Microbiology