Saltatory conduction which allows for a nerve impulse to jump from one node to another occurs in myelinated axons. Myelination of axons may be performed by:

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

What is the term for a water wave that is created by an underwater earthquake?

Climate like that in the sahara desert have the fastest rates of weathering