Forbidden clones, sequestered antigens, molecular mimicry, viral infections, and immune deficiency are all potential explanations for the causes of ________ diseases.
A) Autoimmune
B) Immunodeficiency
C) Immune complex
D) Cytotoxic
A) Autoimmune
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An example of a phenotypic trait where observation of phenotype can easily identify the genetic variation is:
A. color markings in certain invertebrates. B. human skin color. C. human blood type. D. color markings in certain invertebrates and human blood type. E. human skin color and blood type.
Compared to a solution of pH 9, a solution of pH 7
A. has more H+ ions. B. has a higher pH. C. is more basic. D. has no OH- ions.
What can be deduced about dinosaur extinction from the K-Pg boundary sequence?
What will be an ideal response?
Three fossils are found in undisturbed layers of rock, or strata. Fossil A is closest to the Earth's surface and Fossil C was deeper than Fossil B. Given this limited data, what assumptions can you make about these fossils?
What will be an ideal response?