Which of the following statements is TRUE?
A. Phosphorylation by protein kinases can stimulate or inhibit the activity of effector proteins.
B. Ca2+ is not a second messenger.
C. Phosphodiesterase converts GMP into cGMP
D. Conversion of ATP to cAMP is a phosphorylation reaction.
E. Phospholipase C converts ATP to cAMP.
A
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Gray matter is housed in the ________________________________________ region of the spinal cord
Fill in the blank(s) with correct word
Glycolysis
a. yields two molecules of ATP for each molecule of glucose processed. b. requires oxygen. c. takes place in the mitochondrial matrix. d. both (a) and (b) above. e. all of these answers.
Lymph containing a high lipid content is called ________.
A. chyme B. interstitial fluid C. chyle D. lacteal
Muscle fibers develop from less mature, multinucleated cells called
Fill in the blank(s) with the appropriate word(s).