An enzyme, such as rna polymerase, that is needed by the cell in large amounts and must usually be present would be called?

Constitutive enzyme

Explanation:

Constitutive enzymes are synthesized by the cell at all times and are required in large amounts. In contrast, Inducible enzymes are synthesized only when required depending upon the availability of substrate and other conditions in the cell.

atp is used for energy.

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.