Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Ribosomes: are minute nonmembranous and dense spheroidal particles or granules. First observed by electron microscopy by palade 1955. Being only about 200 to 250 a in diameter these are smallest, but most abundant of all cytoplasmic organelles. Every cell contains several thousands to millions of ribosomes. Most of these are linked at the surface of endoplasmic reticulum many are free in the cytosol, and some are found in the in the nucleus and mitochondria also in chloroplasts of plant cells.
Structurally. Each ribosome has two parts a proximal larger subunit linked to the endoplasmic are composed of RNA and proteins approximately in equal amounts. The ribosomal RNA ( rRNA) has only four macromolecules . Three in the larger subunit and one the smaller subnuits. Considerable portion of these RNA molecules secondarily become double stranded due to intermolecular the intermolecular base pairing so that the molecules become 3 dimensional .The ribosomal protein include 73 macromolecules 40 in large in 33 in small subunits .
Ribosomal subunits are assembled from their component r RNA and protein molecules in the nucleolus of nucleus. These are of the four r RNA molecules are synthesized in the nucleolus . The fourth is synthesized by some chromosome outside the nucleolus. This and the 73 protein molecules synthesized in the cytoplasm migrate to the nucleolus for being incorporated in ribosomal subunits. The latter diffuse out into the cytoplasm and assemble to form ribosome's most of which link the endoplasmic reticulum.
Protoplasmic Theory The living matter which forms the bodies of all living being is a special type of highly organized jelly like viscous semi fluid, and named Sarcode by Dujar
Explain the Combating drug-resistant diseases? The growth of drug-resistant strains of disease-causing bacteria threatens the current effectiveness of cheap antibiotics. This i
Define Etiological Risk Factors in Cancer? Cancer risks are climbing because of increasingly sedentary lifestyles and diets which are high in fat and sugar although low in frui
what is the Symptoms of VIBRIO PARAHAEMOLYTICUS Symptoms: A total of greater than one million organisms may cause disease. Symptoms of intoxication which range from mild to se
What are Fitness Tests? Testing is an important evaluation tool for the sports performer as it gives them an insight into their current physical condition and the effectiveness
Does pH affect the enzyme activity? The concentration of hydrogen ions in solution affects the enzyme activity. Every enzyme has maximal efficiency under an optimum pH. As p
Q. What is protocooperation? The Protocooperation is the ecological interaction in which both participants benefit but which is not obligatory for their survival. The Protocoop
what is virus
In what way do chlorofluorocarbons (CFCs) cause global problems? Chlorofluorocarbons react with and deplete the ozone in the ozone layer. This permits more ultra-violet light f
Cephalopods - Feeding and Digestion in Molluscs Cephalopods are carnivorous. Tentacles or arms are food capturing organs. The number of tentacles changes in different cephalop
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd