Amebic dysentary is caused by
A) Trichomonas
B) Giardia lamblia
C) dinoflagellates
D) Cryptococcus
E) Entamoeba histolytica
Ans: E) Entamoeba histolytica
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The observations you make and experimental data you collect in your biology laboratory class are
examples of:
a. statistical analysis. b. hypothesis building. c. biological dogma. d. model systems. e. biological research.
Two-thirds of the plasma proteins are
a. chitin. b. keratin. c. elastin. d. albumin. e. glycoproteins.
In animals that display indeterminate development
A. early embryonic cells, if separated from the embryo, can develop into complete organisms. B. bilateral symmetry cannot develop. C. embryonic cells have a predetermined fate. D. embryonic cells show spiral cleavage. E. the blastopore develops into the mouth.
Who first described cells:
A. Linnaeus B. Golgi C. Leeuwenhoek D. Darwin E. Hooke