#Question id: 11958
#Unit 7. System Physiology – Animal
#Question id: 9211
#Unit 9. Diversity of Life Forms
Of the following ecosystem types, which have been impacted the most by humans?
#Question id: 10339
#Unit 6. System Physiology – Plant
Nitrate assimilates into the root where the conversion of nitrate to nitrite in the cytosol, a reduction reaction that involves the transfer of two electrons catalyzes by an enzyme that is NAD(P)H dependent is known as
#Question id: 2944
#Unit 2. Cellular Organization
DNA replication at each origin occurs only once during the cell cycle because of:
#Question id: 9172
#Unit 9. Diversity of Life Forms
Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of ________.