One way an autoimmune disorder can arise is if
A) a person encounters an immunodeficiency virus.
B) a person inhales an allergen.
C) a nonself antigen coincidentally resembles a self antigen.
D) too many T cells die in the thymus.
C) a nonself antigen coincidentally resembles a self antigen.
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A variation of the PGD method, called ____________________, can test for genetic disorders in the egg before fertilization
Fill in the blank(s) with correct word
What does a gametophyte produce?
A. Diploid gametes B. Haploid spores C. Diploid spores D. Haploid gametes
In zygomycetes such as Rhizopus, the zygospore is haploid
____________________ Indicate whether the statement is true or false.
Dermatophytes, which live on the surface of the skin, are always pathogenic.
Answer the following statement true (T) or false (F)