A layer of endodermal cells around the cylinder deposits a waterproof band called a(n) __________ in their abutting
walls. Fill in the blank(s) with the appropriate word(s).
ANSWER: Casparian strip
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Which of the following eukaryotic RNA polymerases is responsible for transcribing ribosomal RNAs (rRNAs)?
A. RNA Pol I B. RNA Pol II C. RNA Pol III D. RNA Pol I and RNA Pol III E. RNA Pol II and RNA Pol III
If you contrast the salt and water balance adaptations of freshwater and saltwater fishes, you find that
A. freshwater fishes do not drink water. B. saltwater fishes do drink water. C. freshwater fishes actively transport salts into their bodies at the gills. D. saltwater fishes actively transport salts out of their bodies at the gills. E. All of the choices for this question are correct.
At approximately what age does bone growth stop?
a. 25 b. 30 c. 16 d. 20 e. 28
How to describe the bacteria that after 24 hr incubation, the Triple Sugar Iron (TSI) Agar Tube showed Yellow slant/Yellow butt
A. The bacterium can produce H2S gas B. The bacterium is facultative anaerobe, saccharolytic and utilizes, both glucose and lactose C. The bacterium is facultative anaerobe, saccharolytic and utilizes glucose only D. The bacterium is strictly aerobic E. The correct answer is not listed