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.

Questions involving the study of sex and reproduction, mating systems, sexuality, sex determination, gender, the evolution of sex, and other topics in the context of sex.
125 questions
Small molecules involved in the propagation of a nerve signal across the synapses.
124 questions
Analysis of DNA, RNA or protein (amino acid) sequences. Here sequences are compared so analyze similarities and conserved regions. Sequence analysis is usually done by specialized software.
123 questions
The organelle in eukaryotes where the main stages of respiration occur.
123 questions
Tag for questions related to the process of cells receiving a stimulus from its environment, or from itself (autocrine signaling), and responding as a result of the stimulus.
119 questions
dealing with the processing of the senses, including the traditional senses vision, hearing, taste, smell and touch, but also sense experiences such as vestibular and pain. It typically i…
118 questions
The physiological process of breaking down food into its constituent parts to provide nutrition for the body.
118 questions
Determining the sequence of RNA. This technique is used for discovery and quantification of mRNAs and ncRNAs.
116 questions
The process in nature or in the lab by which a new organism is created that is genetically identical to its predecessor.
114 questions
caused by the invasion of by pathogenic organisms (bacteria, viruses or worms) into a host. These pathogenic organisms live and multiply in its host and cause diseases by this.
The study of the molecular structure of biological macromolecules and how that structure relates to their function.
112 questions
the process of protein synthesis. The information encoded in the mRNA is translated into an amino acid sequence through the joint activity of tRNAs and ribosomes.
110 questions
The entirety of an organism's hereditary information.
110 questions
The process of biological aging or the state of an organism being biologically old.
109 questions
Division of a diploid cell to produce four haploid cells for the purposes of reproduction.
108 questions
A rapid change in the membrane potential of excitable cells such as neurons and muscles; this usually involves a steep rise (depolarization) followed by a steep fall in membrane potential (repolariza…
107 questions
In reference to a biological system over time, growth refers to the increase in physical size/mass as well as the progression through its life cycle.
107 questions
The biosynthetic process by which copies of a DNA molecule are made.
107 questions
off-topic unless dealing with the biology underlying health and medicine. Please carefully explore the tour, help centre, and meta before posting health and medicine …
106 questions
the study of organisms that lived in prehistoric times.
106 questions
Often circular segments of DNA that can replicate outside of the chromosomes. Generally found in bacteria.
105 questions
Questions relating to the binding of proteins to each other and other molecules.
105 questions
The study of parasites, their hosts, and the relationship between them.
104 questions
produced during transcription before it leaves the nucleus to be be translated by a ribosome. This produces a sequence of nucleic acids for which mRNA is considered the template.
the process of attaining awareness or understanding of the environment by organizing and interpreting sensory information coming from body receptors and sensory organs into CNS.
101 questions
A method for analyzing or purifying samples. Molecules are separated by their relative weight, charge, or stereochemistry, which affect their speed of movement through a gel.
101 questions
The physiological process of inhaling and exhaling air for the purpose of gas exchange in the lungs.
100 questions
Questions relating to how the field of biology has developed over time.
99 questions
Questions pertaining to red blood cells, or erythrocytes, the most common type of blood cell that is responsible for delivering oxygen throughout the body.
98 questions
the ability to perceive sound by detecting vibrations through an organ such as the ear.
97 questions
The process in which a protein folds into a three-dimensional shape to achieve proper functioning.
97 questions
Fruits develop from the flower of plants and hold the seeds. They are the way of plants to distribute their seeds.
95 questions
Reproduction involving two morphologically distinct gametes, such as sperm and egg, where offspring inherit genes from two parents.
95 questions
A process defining organisms that grow and adapt to stimuli while maintaining a state of organization and energy production and being capable of reproduction.
94 questions
Models that analyse biological systems or processes using the tools of applied mathematics.
94 questions
Cells which have not fully differentiated yet, i.e. with the potential to develop into other kinds of cells through asymmetric cell division.
93 questions
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