Protozoa are eukaryotic organisms that lack a cell wall and can be unicellular or multicellular.
Answer the following statement true (T) or false (F)
False
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The branch of medicine that investigates the occurrence and distribution of diseases is
A) immunology. B) physiology. C) pathology. D) epidemiology. E) gene therapy.
The major phagocytic cells in the body are____
a. macrophages and lymphocytes b. macrophages and neutrophils c. macrophages and mast cells d. monocytes and mast cells e. monocytes and basophils
An increase in the surface temperature of Earth, caused by heat-trapping gases in the atmosphere, is known as
A. the greenhouse effect. B. the biome effect. C. bioremediation. D. desertification. E. the nursery effect.
For a particular gene, if one gene in a million experiences a mutation each generation, what is its mutation frequency?
What will be an ideal response?