The sciatic nerve is a sensory motor nerve with two divisions that innervate the muscles behind and below the knee. These divisions are the tibial and peroneal nerves. The sciatic nerve is a sensory nerve that originates from the 7th lumbar vertebrae and sacrum of a dogâs spinal cord.
1 Because prokaryotic DNA can interact with the cytoplasm, transcription and translation occur simultaneously. 2  Most prokaryotes contain only one copy of each gene (i.e., they are haploid). 3  Nonessential prokaryotic genes are commonly encoded on extrachromosomal plasmids.
By Saritha Pujari Cell. Advertisements: Some of the most important characteristics of prokaryotic cells are as follows: The prokaryotic (Gr., pro-primitive, karyon-nucleus) cells are the most primitive cells from morphological point of view. They occur in bacteria and blue green algae.