Which of the following protects bacteria from lysis in dilute solutions and helps to determine their cellular morphology or shape?
A. Plasma membrane
B. Capsule
C. Peptidoglycan
D. Gas vacuoles
Answer: C
Biology & Microbiology
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What drives the process of transpiration?
a. upward pressure as sugar is forced into the roots b. evaporation c. pumping by the xylem cells d. passive transport
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The import of the transcription factor NFB into the nucleus is regulated by
a. a nuclease. b. a protease. c. a phospholipase. d. a protein kinase.
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As an embryo develops, new cells are produced as the result of
A) differentiation. B) preformation. C) cell division. D) morphogenesis. E) epigenesis
Biology & Microbiology