Order the events of protein synthesis in the proper sequence. an aminoacyl-trna binds to the a site. a peptide bond forms between the new amino acid and a polypeptide chain. trna leaves the p site, and the p site remains vacant. a small ribosomal subunit binds with mrna. trna translocates to the p site. group of answer choices

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Earthquakes a.created the rock in arches utah b.can be caused by volcanic eruptions c.are caused by tsunami waves d.wear mountains down into hills

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.