The amino acids His 31 and Asp 70 are separated by ~0.35 nm in T4lysozyme. Calculate the Coloumbic potential between the two charged side chains (make the assumption that these are point charges

List one type of erosion and describe how it happens?

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little