#Question id: 366
#Unit 1. Molecules and their Interaction Relevant to Biology
What is the pH of a solution with a hydroxyl ion (OH-) concentration of 10-10 M?
#Question id: 2942
#Unit 2. Cellular Organization
During mitosis, the breakdown of the nuclear envelope depends on the:
#Question id: 5006
#Unit 11. Evolution and Behavior
The oxygen revolution changed Earthʹs environment dramatically. Which of the following adaptations took advantage of the presence of free oxygen in the oceans and atmosphere?
#Question id: 23518
#General Aptitude
#Question id: 10335
#Unit 6. System Physiology – Plant
plants can store high levels of nitrate, and they can translocate it from tissue to tissue without deleterious effect. Yet if livestock or humans consume plant material that is high in nitrate, they may suffer with,