Factors that contribute to difficulty in eliminating fungal infections via the body's defenses include
A) the capsules of some fungi resist phagocytosis.
B) many fungi are resistant to cell mediated immune responses.
C) many pathogenic fungi produce leukocidins.
D) both resistance to phagocytosis and cell mediated immunity.
E) many pathogenic fungi are resistant to the action of complement.
D
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Infants acquire natural passive immunity from maternal antibodies transferred across the placenta or in breast milk
Indicate whether the statement is true or false.
When a car burns gasoline, much of the energy is released in the form of heat. Which of the following best describes this process in relation to the first law of thermodynamics?
A. Energy is conserved. B. Energy is always used up in reactions. C. All energy comes from the sun. D. Energy can be changed from one form to another. E. Energy is often destroyed.
Which term is commonly used to describe the production of valuable proteins in genetically modified plants and animals?
A) biopharming B) culturing C) genetiproduction D) faunafarming E) aniplafarming
Which of the following is a germ layer that forms the lining of the urinary, respiratory, and digestive tracts?
A) mesoderm B) ectoderm C) endoderm D) embryonic disk