When a community like the tallgrass prairie is maintained by recurring disturbances such as periodic fires set by Native Americans or by lightning, a ________ community exists

A) pine forest B) pioneer C) climax D) deciduous E) subclimax


E

Biology & Microbiology

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____ do not contain dividing cells; however, they do provide structural support

a. Apical meristems b. Lateral meristems c. Vascular cambium d. Cork cambium e. Fiber cells

Biology & Microbiology

Most ATP in cellular respiration is regenerated in substrate level phosphorylation.

a. true b. false

Biology & Microbiology

Most broad-spectrum antibiotics act by

A. inhibiting the synthesis of the cell wall. B. inhibiting protein synthesis. C. inhibiting nucleic acid synthesis. D. inhibiting metabolic pathways. E. disrupting the cytoplasmic membrane.

Biology & Microbiology

Important components of coenzymes are

A. ribozymes. B. metallic ions. C. active sites. D. substrates. E. vitamins.

Biology & Microbiology