The pathogenicity of primary tuberculosis is due to the fact that the mycobacteria
A) are not phagocytized.
B) prevent fusion of lysosomes with vesicles.
C) form a pseudomembrane.
D) destroy helper T cells.
E) are carried by macrophages to a variety of sites.
B
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What is it called when the gene pool is fluxing because of the migration of individuals?
a. natural selection b. mutation c. gene flow d. genetic drift
Explain the difference between plasmogamy and karyogamy
What will be an ideal response?
The process where cartilage is gradually replaced with bone tissue during fetal development is called ________
Fill in the blank(s) with correct word
Classification. Respond to the following statements in reference to the four kinds of receptors listed below.
A. Receptors on the tongue detect variations in this kind of signal. B. Ears detect this kind of energy. C. The warmth you feel from a campfire detected by this receptor. D. Receptors that detect tissue damage.