Which of the following includes the greatest volume of total body water?
A. Transcellular fluid
B. Blood
C. Extracellular fluid
D. Intracellular fluid
D. Intracellular fluid
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A normal adult hematocrit would be approximately ________%.
A) 66 B) 45 C) 10 D) 100 E) 75
Binding of the first messenger to the receptor activates the ____________________, which is a membrane-bound intermediary
Fill in the blank(s) with correct word
Skeletal muscle fibers are formed from embryonic cells called
A) sarcomeres. B) myofibrils. C) myoblasts. D) fascicles. E) myomeres.
When examining an endocrine cell from a new species of mammal under the microscope you find that it contains an abundance of rough endoplasmic reticulum, a large Golgi apparatus, and secretory granules. Which of the following is most likely to be true about these cells?
A. It secretes by endocytosis. B. Its hormone product is synthesized from cholesterol. C. It secretes a hormone with a hydrophobic structure. D. It secretes a peptide/protein hormone. E. It secretes its product by diffusion through the lipid bilayer of the plasma membrane.