This protozoa has a trophozoite stage but no cyst stage and reproduces via longitudinal binary fission. The parasite belongs to which category?
a. Amebae
b. Flagellates
c. Ciliates
d. Microsporidia
B
Both Dientamoeba fragilis (internal flagella) and the genus Trichomonas have a trophozoite stage but no cyst stage. Reproduction occurs by longitudinal binary fission. Both parasites are flagellates.
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E are _______ major families of RNA containing viruses that infect vertebrates
A. 2 B. 5 C. 7 D. 13
Which of the following metabolic pathways
uses ATP and NADPH that formed in the light-dependent reactions of photosynthesis?
a. the Calvin-Benson cycle b. the Krebs cycle c. glycolysis d. aerobic respiration e. the light-dependent reactions
Any light-driven reaction that attaches phosphate to a
molecule is called __________. Fill in the blank(s) with the appropriate word(s).
Charles Darwin wrote that members of the phylum ________ are particularly important for agriculture because they mix and aerate soil
A) Annelida B) Cnidaria C) Nematoda D) Arthropoda E) Platyhelminthes