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He does have very high expectations for grading, but is incredibly accessible outside of class for homework/lab help (or just to talk about life). My biggest complaint is he can be a bit disorganized on the account of him teaching several classes.","source_url":"https://www.ratemyprofessors.com/professor/2745372","quality_rating":5,"difficulty_rating":4},{"observed_at":"2026-09-07 16:54:11.557570+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3Nzc1NDgy","source_instructor_id":"rmp:2745372","instructor_name":"Arnoldo Lopez-Hernandez","course_label":"FOODSCI440","course_id":"FOODSCI 440","course_uid":"course_f7010d6b7c027df8440eece9","review_date":"2023-05-01 16:57:34 +0000 UTC","comment":"Arnoldo is an amazing person and professor. I am finishing up my 3rd class with him and it's clear he really cares about his students. He is always available for questions and will often work through things with you. His exams are hard but if you engage you'll succeed. Curves the class so that you pass if you tried at all. ","source_url":"https://www.ratemyprofessors.com/professor/2745372","quality_rating":5,"difficulty_rating":4},{"observed_at":"2026-09-07 16:54:11.557570+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3MzQyMDA1","source_instructor_id":"rmp:2745372","instructor_name":"Arnoldo Lopez-Hernandez","course_label":"FOODSCI440","course_id":"FOODSCI 440","course_uid":"course_f7010d6b7c027df8440eece9","review_date":"2023-01-17 03:43:23 +0000 UTC","comment":"Exams are 2-3 hours and grading criteria is strict. Lacks student-teacher transparency. 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