1. In a normal axon, the action potential moves in one direction, from cell body to axon terminal, without stopping or reversing course. Based on the function of the Na+
channel:
a. Why does an action potential move in an all-or-nothing fashion down the length
of an axon without stopping?
b. What mechanism of the Na+ channel prevents the action potential from
reversing course?

In general, how long does it take to accomplish a long-term goal? a.a few days to a weekb.a few weeks to a monthc.a few months to a yeard. more than a year

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.