41. Pyruvate, labeled with carbon-14 in the methyl position is fed to cells in the presence of malonate, a compound that blocks the CAC at the succinate dehydrogenase step. Isocitrate was isolated and found to be labeled in two positions with carbon-14. Explain where the labels are found and how two different carbons could have been labeled.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )

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.