Because the 7th edition has been out for several years, some educators have uploaded their lecture decks to public university servers. Search specifically for site:edu "lehninger 7th" ppt metabolism.
The official source is the Macmillan Learning Teacher Resources portal. This requires an instructor account (usually via a .edu email). These slides are professionally produced, proofread, and match the 7th edition page-for-page. lehninger principles of biochemistry 7th edition ppt top
To build this in 10 minutes:
Duplicate the PPT file. Delete all the labels from the diagram slides. Export these blank slides to a PDF. Run through the presentation out loud. Can you name Enzyme A? Can you name the substrate? If you hesitate, that slide goes into a "Retake" folder. Because the 7th edition has been out for