Is a strong Biology background a pre-requisite for O Chem/O Chem II?

Premed’s requirements: Two Biology classes, Organic Chemistry I & II, 1 Biochem and a total of 3 labs.
These are the classes:
Biology (Genes, Evolution & Ecology) is a 1 semester course.
Cells and Proteins- One semester.
Biochem - One semester.
O Chem I- One semester
O Chem II- One semester.
O chem labs I & II - Two semester.
1 Biology lab- One semester.