Professor

Ryan Lannan

AD
3.7
Overall Ratings
Based on 147 Users
Easiness 2.7 / 5 How easy the class is, 1 being extremely difficult and 5 being easy peasy.
Workload 3.4 / 5 How light the workload is, 1 being extremely heavy and 5 being extremely light.
Clarity 3.6 / 5 How clear the professor is, 1 being extremely unclear and 5 being very clear.
Helpfulness 3.7 / 5 How helpful the professor is, 1 being not helpful at all and 5 being extremely helpful.

Reviews (147)

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June 24, 2025
Quarter: Spring 2025
Grade: N/A

Nice dude and good lecturer, but started out really slow (for half the class we were always at least 2 weeks behind the syllabus) which made him speed up A LOT in the last 2 weeks of the quarter which made it overwhelming. As other reviews say his grading is really harsh because he looks for super specific words/phrases in your answers. But overall this class was a lot easier than I expected, if you made it through 14D you'll def be fine for this one.

Grading breakdown:
Midterm 1 20%
Midterm 2 20%
Quizzes 10% (lowest score dropped; all just memorization, but that helps you a lot with the content/tests)
Participation 5% (lecture iClickers and discussion attendance; you can miss like 6 lectures and 1-2 discussions)
Homework 15% (lowest score dropped; almost all on completion, with 1-2 questions per homework grade on accuracy)
Final 30%
+ some extra credit form LA/prof evaluations and a creative group project at the end of the quarter

Helpful?

0 0 Please log in to provide feedback.
CHEM 153A
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
April 29, 2022
Quarter: Winter 2022
Grade: NP

Worst professor ever.

Helpful?

0 0 Please log in to provide feedback.
Aug. 3, 2023
Quarter: Winter 2023
Grade: NR

Please take the class with him, not only is he extremely knowledgeable and smart but he is also easy on on the eyes. On top of that he is really good at teaching and people only have praises to say about him. Don’t get me wrong, this class is one of the hardest classes at ucla regardless of who you take it with just because biochem is a hard subject. In order to do well, you would need to be willing to put a lot of effort into this class. Make sure you are taking this class with 2 other easy classes. Also this class is 4/5 days of week so make sure you do whatever you have to in order to not fall behind!!! Exams are fair as long as YOU are putting in the work and actually tying on the homework/practice exams.

Helpful?

0 0 Please log in to provide feedback.
CHEM 153A
Quarter: Spring 2025
Grade: N/A
June 24, 2025

Nice dude and good lecturer, but started out really slow (for half the class we were always at least 2 weeks behind the syllabus) which made him speed up A LOT in the last 2 weeks of the quarter which made it overwhelming. As other reviews say his grading is really harsh because he looks for super specific words/phrases in your answers. But overall this class was a lot easier than I expected, if you made it through 14D you'll def be fine for this one.

Grading breakdown:
Midterm 1 20%
Midterm 2 20%
Quizzes 10% (lowest score dropped; all just memorization, but that helps you a lot with the content/tests)
Participation 5% (lecture iClickers and discussion attendance; you can miss like 6 lectures and 1-2 discussions)
Homework 15% (lowest score dropped; almost all on completion, with 1-2 questions per homework grade on accuracy)
Final 30%
+ some extra credit form LA/prof evaluations and a creative group project at the end of the quarter

Helpful?

0 0 Please log in to provide feedback.
CHEM 153A
COVID-19 This review was submitted during the COVID-19 pandemic. Your experience may vary.
Quarter: Winter 2022
Grade: NP
April 29, 2022

Worst professor ever.

Helpful?

0 0 Please log in to provide feedback.
CHEM 153A
Quarter: Winter 2023
Grade: NR
Aug. 3, 2023

Please take the class with him, not only is he extremely knowledgeable and smart but he is also easy on on the eyes. On top of that he is really good at teaching and people only have praises to say about him. Don’t get me wrong, this class is one of the hardest classes at ucla regardless of who you take it with just because biochem is a hard subject. In order to do well, you would need to be willing to put a lot of effort into this class. Make sure you are taking this class with 2 other easy classes. Also this class is 4/5 days of week so make sure you do whatever you have to in order to not fall behind!!! Exams are fair as long as YOU are putting in the work and actually tying on the homework/practice exams.

Helpful?

0 0 Please log in to provide feedback.
12 of 12
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