Which one of the following organisms has a cell wall?
A) protoplasts
B) fungi
C) L forms
D) mycoplasmas
E) animal cells
B
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All fastidious microorganisms require which of the following for growth?
A. Iron B. Oxygen C. Temperatures near normal for the human body D. Extra nutrients (such as whole blood)
Oxidation and reduction reactions are chemical processes that result in a gain or loss of:
A. atoms. B. neutrons. C. electrons. D. molecules. E. protons.
Which of the following are arranged in the sequence in which the various taxa first appeared in time?
A. bacteria, protists, charophyceans, liverworts, lycophytes, gnetophytes, angiosperms B. Archaea, protists, charophyceans, mosses, ferns, conifers, flowering plants C. bacteria, protists, charophyceans, mosses, cycads, angiosperms D. prokaryotes, protists, charophyceans, mosses, ferns, conifers, flowering plants E. All the other choices provided are correct
A greenhouse manager wants to encourage long-term, productive flowering instead of short-term, rapid flowering in annual garden plants that are for sale. Which action would accomplish that goal?
A) pruning away early flowers B) limiting water and fertilizer C) moving the plants to the shadiest part of the greenhouse D) allowing any flowers to become fruits and seeds