Select which reactions will usually be irreversible regarding chemical equilibrium in living systems.
A) glucose to CO2 and H2O
B) ADP + Pi to make ATP
C) H2O + CO2 to make H2CO3
D) glucose molecules joined to make glycogen
A) glucose to CO2 and H2O
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Which of the following statements is NOT true of the endocrine system?
A. The organs of the endocrine system are widely dispersed in the body. B. The endocrine system's secretions go into the bloodstream. C. Endocrine glands secrete their products into ducts leading to body cavities. D. Endocrine glands produce hormones.
Bmr
A) rises continually throughout life. B) rises from birth to age five, then declines, then peaks in adolescence, then drops during adulthood. C) remains the same throughout life. D) goes up and down depending upon whether a person exercises or not.
An increase in smooth muscle tension can occur at a given intracellular [Ca++] in response to:
A. opening K+ channels in the smooth muscle membrane B. inhibition of myosin phosphatase by Rho kinase in the smooth muscle C. cAMP-dependent phosphorylation of myosin light chain kinase in the smooth muscle D. release of nitric oxide from adjacent endothelial cells E. hyperpolarization of the smooth muscle membrane
_________has a single duct that does not divide on its way to the gland cells?
Fill in the blank(s) with the appropriate word(s)