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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.
P o i s on i n g P e sticide toxicity Chemical pesticides were introduced as an important tool for pest control and have been used extensively in human health ope
What are the chemical elements that form most of living biological matter? The elements are:- a) oxygen (O), b) carbon (C), c) hydrogen (H) and d) Nitrogen (N).
How do adhesion and cohesion help plants move materials?
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Q. How does facilitated diffusion present resemblance with enzymatic chemical reactions? One of the main examples of facilitated transport is the entry of glucose from the bloo
significance of gastrulation
You now want to express the gene in E coli, but unfortunately it has an intron in it that will not be processed out in bacteria, hence it must be removed. (a) Design P
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What is the system that permits movement and fixation to echinoderms? The system that allows movement and fixation to substrates in echinoderms is known as the ambulacral syste
Wastes are classified into following categories: 1. Biodegradable wastes: The waste materials that can be degraded by micro-organisms are called biodegradable wastes. Th
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