The outer layer of the blastocyst that can penetrate the endometrium is the
A) archegonium.
B) chorion.
C) gastrula.
D) blastula.
E) trophoblast.
E
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Which layer(s) of the wall of the GI tract contain a nerve plexus?
A. Mucosa and adventitia/serosa B. Submucosa and muscularis C. Muscularis D. Mucosa and muscularis E. Adventitia/serosa
Telophase occurs when the chromosomes line up in the center of the cell
Indicate whether the statement is true or false.
The inferior vena cava:
A) begins anterior to the L5 vertebrae. B) receives the right testicular vein. C) is shorter than the abdominal aorta. D) passes into the thorax at the T10 level. E) is the only route by which blood from the inferior part of the body can return to the heart.
One of the function of Sarcoplasmic Reticulum is in the regulation of intracellular calcium in muscle fibers?
a. true b. false