Pham was so cute and cared about his students' learning. People complain about his accent, but it isn't that bad... just pay attention and you'll know what he's talking about.
In general, I don't really like the 7 series, but the class is quite standardized, so don't worry TOO much about the professor. Read lecture slides, skim over Launchpad, DO Launchpad (don't miss out on easy points here), attend lecture (you don't have to pay attention to understand material, but just do the clicker questions), and make sure you really understand the thought processes behind the clicker questions.
I loved AP Bio in high school, but the 7 series will be different lol... regardless, just don't get too overconfident and sleep really well the night before the tests. Don't overthink the tests and don't dwell on challenging questions; go with your gut.
Also, study for the final. I did decently on the midterms but didn't study much for the final and it was significantly harder than the midterms for me. Could have been the difference in material too...

It doesn't really matter who you have for LS7A, as the class is standardized (everyone takes the same exams, has the same assignments, same text, lectures, etc.). So if I were you I'd pick the time that's most convenient rather than going for a specific professor.
The most important thing to remember about this class is that everything you do matters. Go to every discussion, don't miss a single assignment, and don't miss more than 2 lectures (you get two free absences) as there is no curve in the class and there are a lot of "non-exam" points, and you wanna optimize on all of these points since the exam can get quite tricky at times. I wouldn't say the material itself on the exams was difficult, there was minimal memorization and the concepts were pretty easy to understand, but the questions would get quite obscure and the wording was designed in a way to trick you at times. They key to doing well in the class is practice over absorbing material, if that makes sense. You have to get used to the way questions will be framed in exams. So focus on clicker questions and practice exam questions, and I'd also recommend going to the LA review sessions because they give you more questions to practice.
Pham specifically was alright tho. He definitely has an accent but you get used to is pretty quickly so it's not that bad. He's also very nice and willing to help you if you ask him.

It's really hard to rate this class because it honestly just depends on the amount of effort your willing to put in and your interest/dedication to the subject. Personally, I'm not the biggest fan of bio but I dedicated a decent amount of time to understanding the material. Professor Pham is a really great guy, and very knowledgeable on the subject. That being said, who you have has a professor doesn't really matter. The 7 series is completely standardized and you do most of the learning on your own anyway (flipped classroom).
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There are a few important things to keep in mind if you want an A

These are the tactics that worked best for me:
- Always do the launchpad and do your best to get every point possible
-Don't skim the launchpad, actually do it and make sure you're reading the textbook
-Don't focus on memorizing minor details and molecule names: Your primary focus should be the topics in the pre-class review sheet
-If something is discussed in lecture or repeated multiple times MAKE SURE you know it- It's definitely going to be on the exam
-If you're reviewing the clicker questions before an exam and you're stuck just review the lecture on bruincast- all of his lectures are recorded and posted there
-Clarify topics you don't understand with your TA and don't be afraid to ask questions

Pham is a great professor and really puts efforts into ensuring that his children understand every word he says. He's very patient and solves all doubts with genuine interest. His lecture slides are very helpful, and the online textbook and videos aid in concept clarity. His exams can have some trick questions that may be difficult to deal with, if you don't pay attention in class.
The discussions are compulsory, and so are the quizzes and the online videos. All of them carry substantial weight, so this class requires a lot of consistency.