Problems with the formation of the chorion would affect
A) the embryo's ability to derive nutrition from the mother.
B) lung formation.
C) formation of the limbs.
D) the embryo's ability to produce blood cells.
E) None of the answers are correct.
A) the embryo's ability to derive nutrition from the mother.
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Sodium (NA) has an atomic number of 11. How many electrons are in the outer electron shell of a neutral sodium atom?
A) 1 B) 2 C) 3 D) 4 E) 8
Polyposis is a small tumor with a pedicle in the mucous membrane of the ________.
A. stomach B. small intestine C. duodenum D. colon
Many carbohydrates are energy storage molecules.
Answer the following statement true (T) or false (F)
What structures are used for direct cell to cell signaling?
A. Gap junctions B. Tight junctions C. Desmosomes D. Exocytosis vesicles