The whale's ability to hold its breath is, in a way, an evolutionary one-two punch: (1) The high concentration of myoglobin allows it to spend more time underwater in between breaths, and (2) the myoglobin's positive charge ensures the proteins don't clump together and kill the animal.
Lesson Summary. Let's review. A flagellum is a whip-like structure that allows a cell to move. They are found in all three domains of the living world: bacteria, archaea, and eukaryota.While all three types of flagella are used for locomotion, they are structurally very different.The eukaryotic flagellum is a long, rod-like structure that is surrounded by an extension of the cell membrane like a sheath.t is similar to a cilium in structure, though cilia generally move in a back and forth motion, as opposed to the corkscrew movement of a flagellum. The eukaryotic flagellum is a long, rod-like structure that is surrounded by an extension of the cell membrane like a sheath.
10 most extreme places on Earth. A pitchfork is an agricultural implement which is used to handle materials such as hay, straw, and manure. The implement consists of a series of forked tines on the end of a long handle, with the number of tines varying, depending on the use the pitchfork is designed for. suppose the pitchfork is a symbol of torture in this regard and therefore appropriate to the depiction of the devil and his minions. Perhaps if the images were being created today some other more modern implement might be the chosen symbol.