Octopus and squid have chemoreceptors on their tentacles. The correct option is the third option.
The answer is letter A.
<span>Organelles and other cellular material are held within a cell by a cellular membrane. These membranes are what consist of a cell's exterior.
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Eukaryotic cells have been confronted throughout their evolution with potentially lethal plasma membrane injuries, including those caused by osmotic stress, by infection from bacterial toxins and parasites, and by mechanical and ischemic stress. The wounded cell can survive if a rapid repair response is mounted that restores boundary integrity. Calcium has been identified as the key trigger to activate an effective membrane repair response that utilizes exocytosis and endocytosis to repair a membrane tear, or remove a membrane pore. We here review what is known about the cellular and molecular mechanisms of membrane repair, with particular emphasis on the relevance of repair as it relates to disease pathologies. Collective evidence reveals membrane repair employs primitive yet robust molecular machinery, such as vesicle fusion and contractile rings, processes evolutionarily honed for simplicity and success. Yet to be fully understood is whether core membrane repair machinery exists in all cells, or whether evolutionary adaptation has resulted in multiple compensatory repair pathways that specialize in different tissues and cells within our body.
Answer:
The correct answer is : The cerebellum.
Explanation:
The cerebellum is located under the cerebrum at the back of the brain. It is the part of the central nervous system that receives the information from the sensory systems to the different parts of the brain and spinal cord.
The major function of the cerebellum is to maintain postures, regulates muscle movements and balance. Other role of the little brain is to control speech, coordination.
Thus, the correct answer is - the cerebellum.
