The continuous removal and replacement of organic molecules in a cell are part of the process of

Metabolic turnover.

Explanation: The flow of substances in and out of a system and the rate at which a substance is depleted and replaced is known as turnover.

Therefore, the continuous exchange of cellular molecules by the breakdown, removal, synthesis and replacement is called metabolic turnover. Metabolic turnover is also the sum of all biochemical activities of the cells.

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.