2025 Fall
BIOLOGY 1A 001 - LEC 001
General Biology Lecture
Randy W Schekman, Lorenzo Lones, Krishna Niyogi
Class #:21191
Units: 3
Instruction Mode:
In-Person Instruction
Offered through
Molecular and Cell Biology
Current Enrollment
Total Open Seats:
2
Enrolled: 694
Waitlisted: 0
Capacity: 696
Waitlist Max: 0
No Reserved Seats
Early Drop Deadline
Early drop deadline: second Friday after instruction begins.
Hours & Workload
3 hours of instructor presentation of course materials per week, 5 hours of outside work hours per week, and 1 hours of the exchange of opinions or questions on course material per week.
Other classes by Randy W Schekman
Other classes by Lorenzo Lones
Other classes by Krishna Niyogi
Course Catalog Description
General introduction to cell structure and function, molecular and organismal genetics, animal development, form and function. Intended for biological sciences majors, but open to all qualified students.
Class Notes
For information about enrollment availability and restrictions, go to: https://mcb.berkeley.edu/courses/bio1a/enroll/
Students must read the Required Enrollment Instructions completely before enrolling.
We are prioritizing enrollment for high class levels for the remaining .. show more
Students must read the Required Enrollment Instructions completely before enrolling.
We are prioritizing enrollment for high class levels for the remaining .. show more
For information about enrollment availability and restrictions, go to: https://mcb.berkeley.edu/courses/bio1a/enroll/
Students must read the Required Enrollment Instructions completely before enrolling.
We are prioritizing enrollment for high class levels for the remaining open seats by reserving them for Terms in Attendance 3-8 students. Therefore, all Freshmen (students categorized as 1 or 2 Terms in Attendance) are restricted from enrolling until August 1st. As of August 1st, any remaining seats will be open to all students.
Enrollment in both Biology 1A and Biology 1AL at the same time (in the same cart) is required. The enrollment system will require this as the courses are co-requisites.
Because of the co-requisite requirement, the wait lists do not work. There will be no wait lists used for this class.
The course pre-requisite will be be strictly enforced by the enrollment system. Students not meeting the pre-requisite (in their Student Records) will not be able to enroll.
Time conflicts are not allowed.
MWF 8-9 Lecture sections will be In-Person.
Discussion sections will be held In-Person.
Midterm exams will be held In-Person scheduled during the MWF 8-9 time.
Exams for Fall 2025 (In-Person):
Midterm Exam 1: Monday, September 29, 8:00 to 9:00 a.m. (tentative)
Midterm Exam 2: Monday, November 3, 8:00 to 9:00 a.m. (tentative)
Final Exam: Monday December 15, 7:00 to 10:00 p.m.
Do not schedule any conflicts with exams. No Make-up exams will be possible.
Students are expected to be able to attend all class meetings and exams. Class schedule time conflicts will not be accommodated. If you have a time conflict allowed by another class, that class must accommodate any conflict issues.
If you have any Biology 1A/1AL enrollment questions, please look for answers on our Enrollment Information website (link above). Contact Info is available on the site if you cannot find an answer to your question.
Details listed here are subject to change. show less
Students must read the Required Enrollment Instructions completely before enrolling.
We are prioritizing enrollment for high class levels for the remaining open seats by reserving them for Terms in Attendance 3-8 students. Therefore, all Freshmen (students categorized as 1 or 2 Terms in Attendance) are restricted from enrolling until August 1st. As of August 1st, any remaining seats will be open to all students.
Enrollment in both Biology 1A and Biology 1AL at the same time (in the same cart) is required. The enrollment system will require this as the courses are co-requisites.
Because of the co-requisite requirement, the wait lists do not work. There will be no wait lists used for this class.
The course pre-requisite will be be strictly enforced by the enrollment system. Students not meeting the pre-requisite (in their Student Records) will not be able to enroll.
Time conflicts are not allowed.
MWF 8-9 Lecture sections will be In-Person.
Discussion sections will be held In-Person.
Midterm exams will be held In-Person scheduled during the MWF 8-9 time.
Exams for Fall 2025 (In-Person):
Midterm Exam 1: Monday, September 29, 8:00 to 9:00 a.m. (tentative)
Midterm Exam 2: Monday, November 3, 8:00 to 9:00 a.m. (tentative)
Final Exam: Monday December 15, 7:00 to 10:00 p.m.
Do not schedule any conflicts with exams. No Make-up exams will be possible.
Students are expected to be able to attend all class meetings and exams. Class schedule time conflicts will not be accommodated. If you have a time conflict allowed by another class, that class must accommodate any conflict issues.
If you have any Biology 1A/1AL enrollment questions, please look for answers on our Enrollment Information website (link above). Contact Info is available on the site if you cannot find an answer to your question.
Details listed here are subject to change. show less
Rules & Requirements
Requisites
- CHEM 1A with minimum grades of C-; or CHEM 4A with minimum grade of C-; or AP Chem with minimum score of 4; or Chem HL IB with minimum score of 5; or GCE A-Level Chem with minimum grade of C. Corequisite: BIOLOGY 1AL (co-requirements enforced when BIO 1AL is offered). Recommended: CHEM 3A or CHEM 12A with minimum grade of C-. BIOLOGY 1B may be taken before BIOLOGY 1A.
Repeat Rules
Course is not repeatable for credit.
Requirements class fulfills
Meets Biological Science, L&S Breadth
Reserved Seats
Reserved Seating For This Term
Textbooks & Materials
See class syllabus or https://calstudentstore.berkeley.edu/textbooks for the most current information.
Guide to Open, Free, & Affordable Course Materials