The process of cell division that divides the cytoplasm of the zygote among blastomeres is called
A) cleavage.
B) implantation.
C) placentation.
D) embryogenesis.
E) blastulation.
A
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When does the embryonic period officially begin?
A. At fertilization B. At the time of implantation C. With the onset of cleavage D. With the establishment of the three primary germ layers E. When the umbilical cord becomes functional
Plasma makes up about ______ percent of a centrifuged sample of whole blood
A. 25 B. 35 C. 45 D. 55 E. 75
Beta-oxidation
A) occurs in the mitochondria and is a series of reactions that break down fatty acids. B) breaks down proteins into two-carbon fragments that can be metabolized by the citric acid cycle. C) yields large amounts of ATP, while requiring coenzyme A, NAD, and FAD. D) occurs during glycolysis and generates NAD and FAD molecules. E) is the final step of the citric acid cycle where hydrogen ions enter the electrons transport system.
Parasympathetic activation of sweat glands occurs to help reduce body temperatures
Indicate whether the statement is true or false