Answers are grounded in this paper and cite their sources.
Nitrate reductase activity was induced by nitrate in green corn (Zea mays) leaves in either light or darkness. The in- duction process required oxygen in darkness but not in light. A light treatment was required before the enzyme could be induced in etiolated leaves.
No takes yet. Share an insight, caveat, or question.
Travis et al. (1970) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: