A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Type to find tags:
× 931
for questions about the general biological features of human beings (as opposed to the biology of non-humans).
× 722
Changes in the heritable attributes of populations of organisms over time. Major mechanisms include drift, natural selection, mutation, and gene flow (migration).
× 675
the branch of biology that deals with the transmission and variation of inherited characteristics.
× 561
The study of chemistry within the scope of biology: the compounds that occur and the reactions involving them in living organisms.
× 477
The study of the molecular processes of the nucleus and cell function.
× 400
The study of cells: their physiological properties, structure, environmental interaction, division, life cycle, and death, as well as the organelles they contain. Also known as cytology.
× 385
The study of the normal function of living organisms and the means by which it is achieved.
× 384
The study of the structure and function of the nervous system and its components.
× 375
the carrier of genetic information, including for all known living organisms. The only known exceptions are RNA viruses.
× 373
Bioinformatics connects life sciences and quantitative sciences, typically involving the application of software and algorithms to solve computationally intensive questions, such as those in genomics,…
× 321
The biological study of animals.
× 311
The study of plant life; e.g. angiosperms, gymnosperms, bryophytes, pteridophytes, and algae.
× 251
Biopolymers consisting of amino acids that fold into 3D shapes and perform a large number of functions in living organisms.
× 247
the study of organisms that are too small to be seen with the naked eye. This includes organisms like bacteria, fungi, protozoa, and others.
× 229
indicates that the question is likely based on a home assignment in biology-related university or high school courses. Please see the homework policy on meta before asking homework questions.
× 201
The study of the immune system in organisms, primarily responsible for fighting infection.
× 182
The scientific study of insects.
× 171
A subdivision of microbiology dedicated to the study of bacteria.
× 169
The scientific study of the structure and function of genes at the molecular level, particularly chromosomes and DNA.
× 164
for questions about the general anatomical features of human beings as opposed to the anatomy of non-human animals.
× 160
Questions looking to find the name of a specific species of organism. Please include as much information as possible on habitat (esp. where in the world you found the organism) and behavior, and idea…
× 159
the study of the interactions that occur between a living organism and chemicals that affect normal or abnormal biochemical function
× 152
The set of chemical reactions that happen in the cells of living organisms to sustain life.
× 147
The primary component of the central nervous system, which, along with the spinal cord, controls the body of bilaterally symmetrical beings.
× 140
Study of the normal functioning of plants and plant cells
× 138
The study of diseases, including their causes and effects.
× 138
The biological process by which new individuals are formed.
× 135
A malignant group of uncontrollably dividing cells that form a tumour. Questions regarding (proto)oncogenes and tumour-suppressor genes should also use this tag.
× 133
Interactions and relationships among organisms and their environment. This includes biotic and abiotic (non-living/environmental) factors that impact organisms.
× 130
The process by which information encoded in a gene is converted into a functional protein or RNA, resulting in or contributing to a phenotype.
× 126
The study of the physiology and pathology of the cardiovascular system, especially the heart.
× 124
a biological macromolecule made of nucleotides used in cells to convey genetic information to protein. RNA also plays a role in catalyzing certain biological reactions as …
× 116
The discussion of the anatomy and evolution of eyes. Consider using the "vision" tag for questions regarding how the brain interprets information from the eyes.
× 115
Questions relating to protocols, procedures, and good practice when using laboratory equipment.
× 113
Questions regarding how the brain interprets information from the eyes. Consider using the "eyes" tag for discussion of eye anatomy, physiology and evolution.
× 104
The scientific study of inheritance as it occurs specifically in human beings.