Materials move down a concentration gradient . Passive or active ?

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Several billion years ago which gas was the least prevailant in the atmosphere

Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.