Botany is a branch of biology that focuses on the study of plants.

Cell biology is a branch of biology that studies the structure, function, and behavior of cells.

Genetics is a branch of biology that focuses on the study of genes, heredity, and variation in living organisms.

Genomics is a branch of biology that focuses on the structure, function, evolution, and mapping of genomes.

MEDLINE (Medical Literature Analysis and Retrieval System Online, or MEDLARS Online) is a bibliographic database of life sciences and biomedical information.

Open access (OA) refers to the practice of making scholarly research freely available to the public online.

PubMed is a free search engine for accessing a vast collection of biomedical literature, including scientific journals, clinical research papers, and articles on health-related subjects.