Aldosterone secretion increases in the presence of high levels of _______ ion in blood plasma.
A) Sodium
B) Magnesium
C) Bicarbonate
D) Potassium
E) Chloride
Answer: D) Potassium
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Which is NOT typically a step in the cAMP second-messenger system?
A. A first messenger binds to a transmembrane receptor. B. Active cAMP-dependent protein kinase phosphorylates cell proteins. C. Adenylyl cyclase converts ATP into cAMP. D. There is dissociation of G-protein subunits. E. An activated G-protein subunit phosphorylates cAMP-dependent protein kinase.
The cystic duct and common bile duct unite to form the common hepatic duct
Indicate whether this statement is true or false.
The enterogastric reflux ____________ stomach emptying
Fill in the blank(s) with the appropriate word(s).
the combination of alleles present is referred to as a person's genotype, whereas his/her _________________ is the observable traits that result from his/her genes.
Fill in the blank(s) with the appropriate word(s).