You suspect that an elderly patient's skin blistering is caused by an autoimmune disorder. If you are correct, the patient's serum likely contains antibodies directed against
A) talin.
B) vinculin.
C) ?-actinin.
D) BPAG2.
E) actin.
Answer: D
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What color is a plant with the genotype GgAa?
A horticulturist is breeding a new variety of houseplant in which two genes control leaf color. G (allele for green) is dominant to g (yellow) and B (second allele for green) is dominant to b (yellow). The recessive homozygous condition of either gene will mask a dominant allele. A. green B. yellow C. an intermediate yellow-green D. variegated (yellow and green spots or stripes) E. The color cannot be determined with the information given.
What percentage of the earth's atmosphere consists of nitrogen (N2) gas?
A. 0% B. 10% C. 28% D. 44% E. 78%
In the garden pea, Mendel found that tall (D) plants, green pods (G), and inflated pods (C) were dominant to dwarf (d)
plants, yellow pods (g), and constricted pods (c). Given the following genotypes, determine the chances of producing the offspring shown. (a) DD Gg Cc x Dd Gg cc -> DD gg Cc (b) DD Gg Cc x Dd Gg Cc -> tall; green, constricted pods (c) Dd Gg Cc x Dd GG cc -> tall; green, inflated pods (d) Dd Gg Cc x Dd Gg Cc -> D__ G__ cc (e) Dd Gg Cc x Dd gg CC -> D__ G__ C__ (f) Dd gg cc x DD Gg cc -> tall, green, inflated pods (g) Dd Gg Cc x Dd Gg Cc -> Dd Gg Cc (h) Dd Gg Cc x Dd Gg Cc -> dd gg cc What will be an ideal response?
Which organizational unit includes the fewest species of organisms?
a. class b. biosphere c. community d. population e. ecosystem