The word "cascade" can be defined as a series of small waterfalls, one leading to the next. Describe a specific second-messenger cascade that results from the series of chemical reactions (from one to the next) initiated by a hormone binding to its receptor.
What will be an ideal response?
One example is how glucagon works through the cAMP, PKA cascade to cause release of glucose from liver cells. The receptor activates the G protein, which activates AC, which synthesizes cAMP, which activates PKA, which phosphorylates enzymes within the liver cell.
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Phalanges are
A. finger and toe bones. B. forearm bones. C. wrist and ankle bones. D. skull bones.
List 4 characteristics of New World monkeys
What will be an ideal response?
All of the following are veins of the lower limbs EXCEPT the ________
A) external iliac vein B) fibular vein C) popliteal vein D) hepatic veins
The ____ is a comma-shaped structure located along the posterior border of a testis
a. epididymis b. straight tubule c. scrotum d. seminiferous tubule