Assuming that each of these possesses a cell wall, which prokaryotes should be expected to be most strongly resistant to plasmolysis in hypertonic environments?

A) extreme halophiles
B) extreme thermophiles
C) methanogens
D) cyanobacteria


A

Biology & Microbiology

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A friend is writing one of those “Animals Attack!” style movies, and needs your help choosing a species to fill the title role. The plot, to the extent that it can be called a plot, requires an organism that feasts on other animals with hard shells, and can sustain massive injuries only to come back stronger and in greater numbers. What species do you recommend?

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The patch of actively dividing cells that is found near the tip of roots and shoots of plants is/are the

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An acid

A. has a value above 7 on the pH scale. B. is a chemical that takes hydrogen ions from a solution. C. has a value of 7 on the pH scale. D. is a chemical that adds hydrogen ions to a solution. E. All of the answer choices are correct.

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