After the initial sodium channel opens, what causes the other sodium channels to open?

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Archaebacteria use for movement. celia flagella pili cell walls

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.