Rotenone is a naturally occurring chemical derived from the roots of several tropical and subtropical plants. Contact, particularly ingestion, with rotenone can be fatal. It inhibits chemiosmosis by interfering with NADH dehydrogenase preventing utilization of NADH as a proton and electron donor in the electron transport chain. A) Explain why rotenone exposure can be fatal. B) Suggest at least one other cellular effect of rotenone (i. e., what other parts of respiration might be affected by rotenone), and prepare an explanation of this effect.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

b.

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.