Which of the following is NOT considered to be a true pathogen?
a. Human Immunodeficiency virus
b. Candida albicans
c. Plasmodium protozoan
d. Mycobacterium tuberculosis
b. Candida albicans
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Which of the following piece of fossil evidence was not observed during Darwin's journey aboard the Beagle?
A. fossilized marine shells in the cliffs of the Andes Mountains B. fossilized remains of a giant ground sloth C. 13 different species of fossilized finches on the Galápagos Islands D. fossilized remains of the Glyptodont
A chemist adds a chemical to pure water and there is a 100-fold increase in the concentration of hydrogen ions. What is the best approximation of the new pH value?
A. 9 B. 0 C. 7 D. 5 E. 14
Stanley Miller's experiment
A. proved the origin of life. B. demonstrated that complex organic molecules might have been formed on primitive Earth. C. showed how energy created life. D. disputed the Oparin hypothesis.
Which is NOT a correct association?
A) S stage-DNA synthesis B) M stage-mitosis and cytokinesis C) interphase-shortest stage of the cell cycle D) G1 stage-cell grows in size and cell organelles increase in number E) G2 stage-metabolic preparation for mitosis