Part A Where is the hormone receptor for epinephrine located? Cell Membrane Nucl

Question

Part A Where is the hormone receptor for epinephrine located? Cell Membrane Nucleus (:) Extracellular Space Part B Once epinephrine has bound to that receptor, what does that hormone-receptor complex do? Check all that apply. Leads to the production of a second messenger Binds directly to specific regions of the target cell's DNA Alters gene expression, leading to an increase (or potentially a decrease) in the synthesis of specific proteins O Directly catalyzes the phosphorylation of proteins already present within the cell, thereby altering their function Causes a signal transduction cascade

Explanation / Answer

Epinephrine is a hormone and neurotransmitter. The receptor for epinephrine is found on the cell membrane.

Hence, the correct option is cell membrane.

Once epinephrine has bound to its receptor, this event

leads to the production of a secondary messenger,

Directly catalyzes the phosphorylation of proteins already present within the cell, thereby altering their function.

Causes a signal transduction cascade

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