3.Why the human muscle cell is known as multinucleated cells? What is amphinucleate cells?
Answers
Answer:
Multinucleate cells (multinucleated or polynuclear cells) are eukaryotic cells that have more than one nucleus per cell, i.e., multiple nuclei share one common cytoplasm. Mitosis in multinucleate cells can occur either in a coordinated, synchronous manner where all nuclei divide simultaneously or asynchronously where individual nuclei divide independently in time and space. Certain organisms may have a multinuclear stage of their life cycle. For example, slime molds have a vegetative, multinucleate life stage called a plasmodium.[1]
Explanation:
Cardiomyocytes are the cells that form the chambers of the heart, and have a single central nucleus. Skeletal muscle fibers help support and move the body and are called syncytia – multinucleated structures formed by fusion of individual myoblasts during embryonic development.
Smooth Muscle. Smooth muscle is composed of uninucleate, unbranched cells which are under the control of the autonomic nervous system. Because the contractile myofilaments are not highly organized, no banding pattern is apparent. Relaxed smooth muscle cells are slender and elongate, with a centrally placed nucleus.
(I didn't Heard about amphinucleate cells..I think it's uninucleate..I hadn't Not assure in second answer)