Which of the following are correctly paired with its description?
A) Archaea: cell walls are composed of surface-layer proteins
B) Fungi: cell walls are composed of chiti
C) Bacteria: cell walls are composed of peptidoglycan
D) All of the choices
Ans: A) Archaea: cell walls are composed of surface-layer proteins
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Which of the following arise, directly or indirectly, from meristematic activity?
A) secondary xylem B) leaves C) dermal tissue D) tubers E) secondary xylem, leaves, dermal tissue, and tubers
The photic zone is part of what broader zone?
a. Epibenthic zone b. Vertical zone c. Aphotic zone d. Epipelagic zone
Meiosis is indicated by
a. A. b. B. c. C. d. D. e. E.
Which statement best describes the concept of alternation of generations?
a. One generation of plants is skipped every other year. b. There are two phases, a sporophyte and a gametophyte. c. The parental generation alternates with a juvenile generation. d. A green sporophyte phase produces food for a nongreen gametophyte.