mbrisen3396
22.04.2020 •
Biology
Acetylcholine binds to a GPCR on heart muscle. The activated receptor stimulates a trimeric Gi protein, which opens a K channel in the plasma membrane. Following stimulation with Acetylcholine, what impact on heart rate would you expect from each of the following?
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Ответ:
Generates a reduction in heart rate.
Explanation:
These channels, initially called K (Ach), slow the pacemaker cell's depolarization and decrease the heart rate.
Ответ:
2
Explanation:
X2-8 = -1
X2= -1 +8
X2= 7 (so, if you add 2, it will 9 square of 3)