Why is it beneficial for E. coli to have the ability to regulate the expression of the lac genes, rather than just express them all the time?

Describe how a selectively permeable membrane is involved in osmosis. Include the role that the solute concentration plays in the direction of water movement. Now think about how this process may differ between plant and animal cells.

Which factor plays a major part in determining the form of a volcano?

According to the RNA world hypothesis, RNA acted as the genetic material and catalyzed reactions in ancient cells. What conclusion can you draw from this?

What are the domains that make up prokaryotes

Oxygen attracts electrons more strongly than hydrogen does. what kind of bond forms between the two hydrogen atoms and single oxygen atom that form a water molecule?

Amy suggests that although other species need to be concerned about air pollution, human beings are different because they can develop the technology to live with it. amy supports:

Explain why red-green color blindness occurs more frequently in males than females?

A system for naming species using a 2 word naming system is called

What did darwin call the "preservation of favorable variations and the elimination of injurious variations"?

A mutation in GLUT4 changes the Kt value from 5 mM (wild type) to 3 mM (mutant). The velocity of glucose entry into a mutant cell would be higher than a cell expressing the wild type version at a blood glucose concentration of 5mM. A) TRUE. B) FALSE.