Cell extension involves
A. water leaving the central vacuole.
B. expansion of cellulose microfibrils.
C. loss of water.
D. enzymes that produce polysaccharides.
E. low acidic condition.
Answer: B
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Which of the following groups consists primarily of anaerobic organisms that cause disease?
a. Excavates b. Dinoflagellates c. Archaeplastida d. Diatoms e. Ciliates
What is different about ferns compared to seed
producing plants?
a. they have a gametophyte stage b. they produce spores c. the zygote develops into a sporophyte d. the roots form from an underground stem e. more than one of these is different about ferns
The gametophyte is the dominant stage in the life cycle for which of the following plant groups?
a. club mosses b. whisk ferns c. ferns d. horsetails e. liverworts
Aerotolerant anaerobes ________.
A. synthesize superoxide dismutase, but not catalase B. synthesize both superoxide dismutase and catalase C. synthesize catalase but not superoxide dismutase D. synthesize neither superoxide dismutase nor catalase