A Level Biology Notes
Malaria is an infectious disease that is caused by one of five species of protozoa Plasmodium. Plasmodium is an unicellular obligate parasite that infects the red blood cells, liver and … Read more
Cholera is an infectious disease of the intestine that causes acute diarrhea, which when left untreated can be fatal within a few days. It is caused by a bacterial pathogen, … Read more
Infectious diseases, commonly known as communicable diseases, are transmitted from infected to uninfected organisms, but we almost exclusively study humans. These are caused by organisms ranging from bacteria to viruses … Read more
This syllabus is for exams in 2022, 2023, and 2024 (Version 2). Image Credit: Cambridge Assessment International Education. AS Level Biology Syllabus 2022-2024 1. Cell structure 1.1 The microscope in … Read more
