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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).
Explain Lipid Transport in Nutritional Care? Proteins provide the transport mechanism for lipids by forming lipoproteins. This helps to prevent fatty infiltration and hence pro
estion..
Possible causes of elevated triglycerides: - Obesity - Alcohol - Uncontrolled diabetes - Hypothyroidism - Genetic - Liver disease - Drugs Possible causes o
Morphological changes Regressive changes -These changes include the gradual reduction and ultimate disappearance of all those larval structures or organs that become redundan
How Can Total Count Can Be Obtained? Total count can be obtained microscopically by using fluorescent dyes such as acridine orange or DNA stain DAPI. The counts obtained micros
Zoonotic Diseases The term zoonosis (zoonoses, plural) was coined by Rudolf Virchow to describe the disease transmitted from animal to man and vice versa. Zoonoses have been de
what are the principle sources of excessive nitrate and phosphate in rivers and lakes?
Write in 5-6 lines about food pyramid. The diabetes food pyramid divides food into six groups. These groups vary with each other on the basis of si-e occupied in the pyramid.
What is osseointegration The smaller the devital zone that forms around the implant subsequent to the surgical trauma, the more likely rigid fixation will occur. The aim is to
Q. Can you explain Bacillus Cereus Poisoning? Ans. Bacillus cereus poisoning is caused by the organism which is a large (3-5 pm long .and 1-4 pm wide), gram po%tive,
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