Which stage of the Plasmodium protozoan infects the red blood cells of humans to cause malaria?

a) Schizont
b) Merozoite
c) Sporozoite
d) Gametocyte


Ans: b) Merozoite

Biology & Microbiology

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The photo below of Australian sawfly caterpillars is used as an example of:

1.Colonial living 2.Pheromone signaling 3.Social defensive behavior 4.Polygamous mating systems

Biology & Microbiology

Do the two DNA double helices following DNA replication have the same, or a different, composition?

a. different b. same

Biology & Microbiology

Which of the following elements were MOST likely the electron donors and electron acceptors of early microorganisms?

a. NADH / O2 b. NADH / fumarate c. NO2- / O2 d. H2 / S0

Biology & Microbiology

An Italian physician, ________, challenged the concept of spontaneous generation by demonstrating that maggots do not arise from decaying meat but rather from developing fly eggs.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology