A covering or protective layer, particularly referring to the tegmen of the brain, which covers parts of the brainstem.

The largest part of the brain, consisting of the cerebral cortex and associated structures, responsible for higher functions such as…

A type of chromosome in which the centromere is located at one end, making it appear like a single arm.

An enzyme that extends the telomeres of chromosomes, helping to maintain chromosomal integrity and prolong cell division.

A chemical phenomenon in which a molecule rapidly shifts between two isomeric forms, typically involving the rearrangement of a hydrogen…

A form of isomerism in which isomers, called tautomers, are in equilibrium and can interconvert through the shift of atoms…

Groups of organisms classified together based on shared characteristics, such as species, genus, family, order, etc.

A type of directed movement or behavior in organisms in response to a specific stimulus, such as light (phototaxis) or…

A chemotherapy drug derived from the Pacific yew tree, used to treat certain cancers by inhibiting cell division.

A group of one or more populations of organisms or species that are classified together based on common characteristics.