Select the most appropriate description of the targeting sig…

Select the most appropriate description of the targeting signaling responsible for directing protein transport to each intracellular compartment listed below. Targeting SignalA. ER import signal: B. mitochondria targeting signal: C. nucleus localization signal:

Stimulating a neuron with acetylcholine opens acetylcholine-…

Stimulating a neuron with acetylcholine opens acetylcholine-gated Na⁺ channels and results in an action potential, diagrammed below. Predict the ion and direction of flow that corresponds to each range (A or B) on the plot.Range …. Ion …. Flow DirectionA …. …. B …. ….

The activity of each enzyme below is important for regulatin…

The activity of each enzyme below is important for regulating smooth muscle cell activity in the circulatory system. For each enzyme, indicate if the specified mutation will lead to vasodilatation or vasoconstriction.Enzyme (mutation)A. Guanyl cyclase (cannot bind GTP): B. Phosphodiesterase (cannot bind cGMP): C. Nitric oxide synthase (cannot bind arginine):