The virus HIV, which causes AIDS, infects:
A) mast cells. B) T cells. C) B cells. D) phagocytes.
Answer: B
Biology & Microbiology
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Mousterian tools were made by which species?
a. H. habilis
b. H. ergaster c. H. sapiens d. H antecessor e. H. neanderthalensis
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Agglutination tests use particulate antigens while precipitation tests use soluble antigens
Indicate whether the statement is true or false
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Describe the molecular nature of mutation, as related to cancer, in a ras gene
What will be an ideal response?
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Describe constitutive heterochromatin and facultative heterochromatin
Based upon this information, what would you predict would happen during the embryonic development of an organism if some regions of facultative heterochromatin were changed to constitutive regions? What will be an ideal response?
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