During prophase, the chromosomes condense and the nucleolus disappears, and the nuclear envelope breaks down
Release of a neurotransmitter across the synapse is triggered by the entry of Ca++ into the presynaptic axon. No Ca++ entry means no transmission across the synapse.
Answer:
The scientific method involves deriving hypotheses from theories and then testing those hypotheses. If the results are consistent with the theory, then the theory is supported. If the results are not consistent, then the theory should be modified and new hypotheses will be generated.
I think the correct answer from the choices listed above is the last option. The pollutant that <span>is transferred from soil to water by fertilizer runoff from farms and leaky septic tanks would be nitrates. This pollutant is present in fertilizers and are produced from reactions in a leaky septic tanks. Hope this answers the question.</span>