Thread-like pseudopods that can perform phagocytosis are generally characteristic of which group?
A) cercozoans
B) gymnamoebas
C) entamoebas
D) amoeboid stage of cellular slime molds
E) oomycetes
Ans: A) cercozoans
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The life cycle of a sexually reproducing organisms includes:
A. mitosis and meiosis. B. mitosis, meiosis, and fusion of the gametes. C. meiosis and fusion of gametes D. only mitosis E. only meiosis
What is the centriole's function in the cell?
a. It organizes the cell's contents. b. It stabilizes the nucleus in the middle of the cell. c. It is an anchoring point for the spindle apparatus during nuclear division in animalcells d. It is an anchoring point for the spindle apparatus during nuclear division in plantcells.
Which of the following are never sink regions
for the pressure-flow translocation of organic compounds? a. growing leaves b. seeds c. fruits d. roots e. mature photosynthesizing leaves
Industrial smog causes air to turn
a. gray. b. black. c. brown. d. red. e. blue.