In a reptile egg, which membrane is analogous to a lung?
A) Amnion B) Allantois C) Yolk sac D) Blastocyst E) Chorion
E
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Forms of the Ras protein found in tumors usually cause which of the following?
A) DNA replication to stop B) DNA replication to be hyperactive C) cell-to-cell adhesion to be nonfunctional D) cell division to cease E) excessive cell division
In autosomal dominant inheritance
A. the trait often skips generations. B. about one-fourth of the progeny in a pedigree will show the trait. C. two affected individuals may have unaffected children. D. males are more affected than females. E. a deleterious phenotype is always produced.
The diagram shows the rate of diffusion into a cell using carrier proteins. 
McGraw-Hill EducationCarrier proteins are saturated at which point?
A. 1 B. 2 C. 3 D. 4
The organs that eliminate waste from the body do not include ________
A) skin B) heart C) kidneys D) lungs