Which cycle involves materials moving through a series of transfers from living to nonliving systems and then back again?

A) biogeochemical B) geological C) continental D) uranium-lead


Answer: A

Biology & Microbiology

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Which of the following can cause allergy symptoms and inflammation by degranulation?

A) dendritic cells B) erythrocytes C) macrophage D) polymorphonuclear leukocyte

Biology & Microbiology

Which of the following statements is FALSE regarding a rightward shift in the hemoglobin-oxygen dissociation curve?

A) Affinity for oxygen is decreased. B) Hemoglobin unloading of oxygen is increased. C) It can be caused by a decrease in 2,3-BPG. D) Oxygen loading onto hemoglobin is decreased. E) A rightward shift usually occurs in active tissue.

Biology & Microbiology

Three very popular strawberry cultivars grown by farmers in the United States are Earliglow, Ozark Beauty, and Tristar

Earliglow produces all of its fruit in the early summer (June-bearing). Ozark Beauty produces fruit from mid to late summer (everbearing). Tristar produces fruit all summer long, starting when conditions become favorable for flowering and fruit production. What is the best classification for these three strawberry cultivars? A) Earliglow: long night; Ozark Beauty: short night; Tristar: night neutral B) Earliglow: short night; Ozark Beauty: short night; Tristar: night neutral C) Earliglow: night neutral; Ozark Beauty: short night; Tristar: long night D) Earliglow: short night; Ozark Beauty: long night; Tristar: long neutral

Biology & Microbiology

The (fungi/algae/lichens) are so sensitive to pollutants that they are used as indicators of environmental conditions

What will be an ideal response?

Biology & Microbiology