A ____ depicts the flow of carbon through an ecosystem, whereas a ____ depicts the transfer of energy
Fill in the blank with the appropriate word.
food web, trophic pyramid
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The identification schema within Bergey's Manual of Determinative Bacteriology are based on
morphological and physiological characteristics. DNA microarray information. 16s RNA sequences. reactions with specific antibodies. morphologic characteristics and 16s RNA sequences.
Which of the following statements about microbes is false?
A) Microbes are parasites, except for eukaryotic microbes. B) All microbes, except viruses, are distributed throughout the three domains of life. C) Microbes have genetic material, except for prions. D) Most microbes are harmless, while others cause disease.
The HIV virus attaches to the ________, and is thus taken into certain immune cells.
A. receptor protein CD4 B. flagellum C. glycocalyx D. marker proteins type A or B on red blood cells
All of the following are actin-dependent nonmuscle motilities except
A) extension of the ER. B) cleavage furrow constriction in cytokinesis. C) chemotaxis. D) cyclosis or cytoplasmic streaming. E) amoeboid movement.