Minerals are not considered biological molecules because they are not produced by living organisms.

Proteins are composed of amino acids, which are linked together by peptide bonds.

The primary structure of a protein is the sequence of amino acids that make up the protein.

DNA is not a type of RNA molecule. It is a different type of nucleic acid that stores genetic information.

Transcription is the process by which DNA is copied into RNA.

Translation is the process by which RNA is converted into protein.

Transversion is not a type of mutation. It is a type of genetic variation that occurs when one purine base is replaced by another purine base, or one pyrimidine base is replaced by another pyrimidine base.

Replication is not a type of genetic recombination. It is the process by which DNA is copied.

DNA methylation is not a type of gene regulation. It is a type of epigenetic modification that can affect gene expression.

Synaptic signaling is not a type of cell signaling. It is a type of communication between neurons.

Endocytosis is not a type of cellular transport. It is a process by which cells take in material from their surroundings.

Budding is not a type of cell division. It is a process by which new cells are formed from existing cells.

Nervous tissue is not a type of tissue. It is a type of organ system.

Nervous system is not a type of organ system. It is a type of tissue.

Virus is not a type of organism. It is a type of infectious agent.