You are setting up your own lab, where you plan to study proteobacteria. you have narrowed your research focus and decided that you are most interested in the role of proteobacteria in the global nitrogen cycle. which species of proteobacteria should your researchers study?
check all that apply.
a. alphab. betac. epsilond. deltae. gamma

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

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

Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?