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ENDOPLASMIC RETICULUM (ER)Eucaryotic celIs have two major compartments- nucleus and cytoplasm. Cytoplasm was known to have no structure until the discovery of electron micrsscope. That cytoplasm is permeated by a membranous network called endoplasmic reticulum (ER), was revealed only after the introduction of electron microscope. Endoplasmic reticulum is a three dimensional network of membrane channels which constitutes more than half of the total membrane of the cell, ER is a highly folded and convoluted structure and forms a single continuous sheet enclosing one continuous sac. The interior of the sac is called "cisternal space" or "ER lumen". This is separated from the cytoplasm also called cytosol by a single membrane which mediates the communication between these two compartments. ER provides the cell with a compartment for storage of substances to be kept separate from cytosol. In addition, it has a key role in the biosynthesis of macromolecules. ER is a double membranous organelle which consists of interconnecting flattened sacs called cisternae or interconnected tubules or vesicles. Cisternae are temporary storage sites for nutrients (Figure shown below).
What are some factors that can lead to protein denaturation? Protein denaturation can be caused by temperature variation, pH change, alters in the concentration of surrounding
Alfred Sturtevant and Seymour Benzer's studies of recombination in both Drosophila and bacteriophage demonstrated which of the following? A. The gene is an indivisible unit and
Define Conservation genetics and hybridization? Is the genetic integrity of European wolves threatened by hybridization along with free-ranging dogs? To ascertain the extent of
What are the Results of pulmonary artery banding ? Results of surgery for ventricular septa1 defects are excellent. Though the mortality is not 0 per cent, in a large series it
Atopic individuals are those who are having abnormal high levels of circulating IgE and more than normal number of oesinophils.
Muromonab CD-3 (Orthoclone, OKT-3) A monoclonal antibody against mature T lymphocytes, OKT-3 is primarily used to treat acute rejection episode. IV for 10-14 days. Effe
Under which form is nitrogen fixed by living beings? Most living beings cannot use molecular nitrogen to get nitrogen atoms. Producers fix nitrogen mostly from nitrate (NO3-).
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I have a six page assignment, which involves barely any writing, just labeling some plant structures etc. Can someone do this?
State in brief about the Comprehensive neuropsychology Comprehensive neuropsychology testing needs a combination of Context related ideometric and quantitative psychometric app
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