What would occur if the mother's immune system recognized the syncytiotrophoblast as a foreign tissue?
What will be an ideal response?
Answer: The pregnancy would not continue past implantation because the mother's immune system would destroy the conceptus after contact with the syncytiotrophoblast.
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Diatoms are
A) an ancient group of algae. B) more closely related to slime molds than to algae. C) morphologically symmetric. D) multicellular phototrophs.
All of the following are model organisms whose genomes were sequenced as part of the original
Human Genome Project except
a. Mus musculus (mouse) b. Escherichia coli (bacteria) c. Drosophila melanogaster (fruit fly) d. Caenorrharbditis elegans (nematode) e. Danio rerio (zebrafish)
Which of the following are NOT components
of the appendicular skeleton? a. arm bones b. collarbones c. finger bones d. ribs e. leg bones
Plasma
A. is the liquid portion of blood in which blood cells are suspended. B. contains albumin and globulins. C. contains fibrinogen. D. is mostly water. E. All of the choices are correct.