Of the amoebozoans, which species spend their entire lives as single cells?
a. all slime molds
b. cellular slime molds
c. plasmodial slime molds
d. amoebas
e. spore-bearing fruiting bodies
d
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The ________ produce over 500 characterized antibiotics
A) Bacteroidetes B) mycobacteria C) pseudomonads D) streptomycetes
Most often, the largest gradient in water potential is between
A. roots and soil water. B. root xylem and shoot xylem. C. xylem and phloem. D. leaf cells and the intracellular spaces inside the leaves. E. the relative humidity inside the leaf and the relative humidity outside the plant.
Cells produced on the inside of the vascular cambium differentiate to form which vascular tissue?
a. cork cambium b. primary phloem c. primary xylem d. secondary phloem e. secondary xylem
Given its mode of reproduction and internal structures, which of the following should be expected to occur in Giardia at some stage of its life cycle?
A) separation (segregation) of daughter chromosomes B) crossing over C) meiosis