Which of the following is the key regulator of the rate of glycolysis?
a) ATP
b) NADH
c) Phosphofructokinase
d) Glyceraldehyde-3-phosphate
e) FAD
c
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The epiphysis and diaphysis of a long bone in a child are bound by a ________.
A. synchondrosis B. serrate suture C. plane suture D. lap suture E. symphysis
While standing, looking up at the stars requires ________.
A. hyperextension of the neck B. dorsiflexion of the neck C. extension of the neck D. elevation of the mandible E. abduction of the neck
The blood-brain barrier is made up of
A. microglial extensions and capillary endothelial cells. B. ependymal cells and venous blood vessels. C. astrocyte perivascular feet and capillary endothelial cells. D. astrocyte extensions and dural sinuses. E. astrocyte perivascular feet and the falx cerebri.
Potassium levels in the body are regulated by ________.
A. calcitonin B. insulin C. ADH D. aldosterone E. PTH