A hormone that helps to regulate the sodium ion content of the body is
A) cortisol.
B) parathormone.
C) thymosin.
D) somatotropin.
E) aldosterone.
E
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The portion of the sternum first seen on CT axial images arranged in descending order is the manubrium.
Answer the following statement true (T) or false (F)
Oligodendrocytes and Schwann cells wrap themselves around neuronal processes, forming __________, a substance that increases conduction rates and decreases current leak
Fill in the blank with the correct word.
Steven has the dominant tongue rolling phenotype but he does not know his genotype. His wife has the recessive non-tongue rolling trait. If their son cannot roll his tongue this means ________
A) Steven has a heterozygous genotype B) that it is impossible to tell Steven's genotype from this information alone C) Steven has a homozygous dominant genotype D) Steven has a homozygous recessive genotype
Most transmembrane proteins have ________ regions facing the intra- and extracellular fluid, and ________ regions embedded in the phospholipid bilayer.
A. hydrophilic; hydrophilic B. hydrophobic; hydrophilic C. hydrophilic; hydrophobic D. hydrophobic; hydrophobic E. lipophilic; lipophobic