Which of the following cells is NOT infected by HIV?

A. helper T cells
B. microglia
C. B lymphocytes
D. macrophages
E. dendritic cells


Answer: C

Biology & Microbiology

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What is the maximum Lod score for this mating?

A) 0.22 B) 1.1 C) 6.3 D) 11

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Which geologic periods are known as the “Age

of Reptiles”?

a. Devonian and Silurian b. Jurassic and Cretaceous c. Permian and Triassic d. Triassic and Jurassic e. Carboniferous and Permian

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How is a microarray used to scan for mutations in a genome?

What will be an ideal response?

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Both the nucleus in the head of the sperm and the mitochondria in the midpiece of the sperm include genetic information (DNA) about the father

The offspring, however, contains only nuclear DNA from the father but both mitochondrial and nuclear DNA from the mother. Why does the newborn lack the father's mitochondrial DNA?

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