The oldest fossils on Earth
a. show that life began in Africa.
b. show that life began in lush regions between large rivers.
c. show that life began in the oceans.
d. are at least 5 billion years old.
e. at most 5 million years old.
c
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Type I hypersensitivity is caused by the release of vasoactive products from mast cells coated with
A) IgA. B) IgE. C) IgG. D) IgM.
Which of the following solutes is NOT normally found in the plasma?
A. metabolites, wastes, and hormones B. globulins C. hemoglobin D. ions E. albumin
All poxviruses that infect humans are zoonoses
Indicate whether the statement is true or false
Describe the molecular and transmission characteristics of Leber's hereditary optic neuropathy (LHON)
A) cytoplasmic inheritance, which includes mtDNA lesions B) maternal inheritance, which includes mtDNA lesions C) cytoplasmic inheritance, which includes cpDNA lesions D) X-linked recessive E) dominant maternal inheritance