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.

Biology & Microbiology

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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)

Biology & Microbiology

Which of the following are NOT components

of the appendicular skeleton? a. arm bones b. collarbones c. finger bones d. ribs e. leg bones

Biology & Microbiology

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.

Biology & Microbiology

Diatoms are

A) an ancient group of algae. B) more closely related to slime molds than to algae. C) morphologically symmetric. D) multicellular phototrophs.

Biology & Microbiology