The first successful treatment of a genetic disorder by gene therapy was the curing of a 4-year-old girl who had severe combined immunodeficiency disease

Because the engineered cells did not live forever, this child supplemented her treatment with regular doses of A) adenosine deaminase (ADA).
B) insulin.
C) hemoglobin.
D) bacteria.
E) B lymphocytes.


A

Biology & Microbiology

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Urea is _____

A) insoluble in water B) more toxic to human cells than ammonia C) the primary nitrogenous waste product of humans D) the primary nitrogenous waste product of most birds E) the primary nitrogenous waste product of most aquatic invertebrates

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What process is taking place when an unfertilized egg develops into a normal individual?

a. fragmentation b. hermaphroditic mating c. parthenogenesis d. budding

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Which of the following disorders results from an adult getting an insufficient amount of vitamin D, which results in demineralized, brittle bones?

What will be an ideal response?

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Giovanni is resting peacefully after a long day of hard work. Assuming he is otherwise healthy, what would be the volume of his ventilations?

A) 500 ml B) 1900 to 3300 ml C) 4500 to 6000 ml D) 1100 to 1200 ml

Biology & Microbiology