What structural part of a bacterial flagellum is composed of flagellin?

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

Why is it important to study each branch of earth science?

Archaebacteria use for movement. celia flagella pili cell walls