there are many critical checkpoints in the cell cycle. one in particular ensures that the dna content is replicated only once. what is the molecular mechanism regulating this process?

What will happen if deforestation continue to destroy the green plant on the planet

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

What are the pros and cons of quadrat sampling?