A bacterial cell possesses a glycocalyx. Which of the following is FALSE?
a) It will be able to attach to surfaces.
b) It will be engulfed more quickly by defensive cells of the host.
c) It will be less likely to dry out.
d) It will be more pathogenic.
Ans: b) It will be engulfed more quickly by defensive cells of the host.
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A. humans B. oak trees C. bears D. dogs E. agave plants
__________ is one form of learning that happens only during a sensitive period early in life. Fill in the blank(s) with the appropriate word(s)
Sponge gemmules
a. are used in respiration. b. capture food. c. function in excretion. d. serve in digestion. e. are reproductive agents.
Which of the following is NOT a risk factor for lung cancer?
a. smoking b. asbestos exposure c. radiation d. exposure to industrial chemicals e. regular exercise