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What is Intercellular Communication explain briefly?
Both plant and animal cells have developed means of communication between cells. In animals, specialized areas of the cell membrane called gap junctions are sites of transfer of material between cells. Tight junctions close off intracellular spaces by gluing together ajoining cells so as to not allow material to pass between them. Desmosomes are very strong junctions associated with cytoplasmic structural filaments, present in skin and other tissues subject to mechanical stress. Desomosomes are thought to have a supportive role.
Plant cell walls have pores called plasmodesmata that allow fusion of the plasma membranes of two adjoining cells.
Why do membranes figure so prominently in eukaryotic cells? What essential function do they serve?
Explain about the Infantile beriberi? Infantile beriberi is commonly seen in many South-East Asian countries where the diets consist mostly of "polished rice" and are deficient
Why are the recombinant DNA technology and the nucleus transplantation technology still dangerous? The recombinant DNA technology and the nucleus transplantation technology (cl
Why do vestigial structures persist in modern organisms? Explain the evidence that indicates that species evolve over time. The environment will not select for or against
Determine the Horner 's Pupil disease Homer's syndrome occurs because of ipsilateral interruption of the sympathetic outflow to the head and neck. It can result from lesions an
For each of the following stages, state the number of nuclear DNA molecules in one of your cells (i.e., 23,46, or...) and its ploidy (i.e.,n, 2n, or...). 1.) Prophase of mitosis
Determine the term - Neuropsychology The neuropsychology of the various modalities and domains involves applications from the knowledge base concerning the domain or modality i
ATP The energy currency of the body One of the monomers used in the synthesis of RNA Contains three phosphate groups àhigh energy Removal of one releases e
Q. Engler and Prantl's System of Classification? Adolf Engler, Professor of Botany, University of Berlin, Germany, proposed a phylogenetic system of classification in a book en
Why do you think the mitochondria contain their own DNA (circular) and have a double membrane?
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