Carbonic anhydrase in red blood cells catalyzes formation of bicarbonate from water and _____
a. oxygen c. oxyhemoglobin
b. hemoglobin d. carbon dioxide
D
Biology & Microbiology
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Which of the following initiates the process of transcription?
a. RNA polymerase b. DNA polymerase c. helicase d. transfer RNA e. exons
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Feeding in sponges is dependent on
a. collar cells. b. pores. c. water flow. d. pores and water flow. e. all of the above.
Biology & Microbiology
Mycorrhizal fungi
What will be an ideal response?
Biology & Microbiology
Which phrase best describes the exodermis?
a. the outer layer of roots, including root hairs b. the above-ground continuation of the endodermis c. the substitute for the endodermis in gymnosperms d. found in the roots of most flowering plants
Biology & Microbiology