Which of the following is a primary immunodeficiency disease characterized by a lack of T cells?

A. anaphylaxis
B. Bruton-type agammaglobulinemia
C. severe combined immunodeficiency (SCID)
D. DiGeorge syndrome
E. type IV hypersensitivity


Answer: D

Biology & Microbiology

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Recent successes in gene therapy are attributed to the _____

a. focus on germ-line gene therapy, rather than somatic gene therapy b. development of improved vectors c. sequencing of the human genome d. improvements in prenatal testing techniques e. improvements in gene doping

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Refer to Figure 26-3. The structure at point 6 in the life cycle:


a. is a zoospore.
b. was produced by mitosis.
c. was produced by meiosis.
d. is diploid.
e. is a structure in which mitosis occurs.

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Explain how DNA sequencing can be accomplished using dideoxynucleotides. What will be an ideal response?

Biology & Microbiology

Which of the following is a benefit of a regular strength training program?

What will be an ideal response?

Biology & Microbiology