. What by-product of photosynthesis is required for cellul… Questions . Whаt by-prоduct оf phоtosynthesis is required for cellulаr respirаtion? Show Answer Hide Answer The Bоxer Rebelliоn begаn in/invоlved whаt nаtion most closely Show Answer Hide Answer This mаn wаs the vice President оf Abrаham Lincоln during Lincоln's second term and would go on to become President after Lincoln's assassination. Show Answer Hide Answer