Do you think the two oxygen atoms in an oxygen gas molecule, o2, form a single, double, or triple bond?

Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

Why do german shepherds shed so much

What kinds of molecules can pass through the cell membrane without any problem?