1. Biochemistry and molecular biology: Biochemistry and molecular biology are an important branch in the field of biological sciences, which mainly study the structure, function and interaction of biological macromolecules, as well as their functions and regulatory mechanisms in life activities. This study includes the chemical and physical properties of biomacromolecules such as protein, nucleic acids, sugars and lipids, and their functions in cell metabolism, signal transduction, gene expression regulation and other life processes.

2. Botany: Botany is a science that studies the morphology, structure, classification, physiology, ecology, heredity and evolution of plants. The research in this field covers a wide range of life processes, including plant growth and development, photosynthesis, substance metabolism and response to adversity, as well as plant classification and systematic evolution.

Microbiology: Microbiology is a science that studies the biological characteristics, physiological metabolism, ecological distribution, genetic variation and evolution of microorganisms (including bacteria, viruses, fungi and algae). ). The research content in this direction covers the isolation and identification of microorganisms, physiological ecology, genetics, immunology, biotechnology and so on.