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q into which two groups can the nitrogen-containing bases that form rna and dna be classified what is the criterion used in to that classificationthe
q what are the pentoses to what organic group do the pentoses belong are nucleotides formed of only one kind of pentosecarbohydrates are pentoses
q of what units are the nucleic acids constituted what are chemical entities that compose that unitthe nucleic acids are formed by sequences of
q what are the nucleic acids what is the historic origin of this namerna and dna the nucleic acids are the molecules responsible for the hereditary
q what are the zymogensproenzymes or zymogens are enzymes secreted in inactive form under some conditions a zymogen shifts to the active form of the
q what are the allosteric enzymesallosteric enzymes are those that have in excess of one activation center and to which other substances called
q what is the action mechanism of the antiretroviral drugs known protease inhibitors which are used against hiv infectionprotease inhibitors are some
q what is action mechanism of antibiotic penicillinpenicillin discovered by the scottish doctor alexander fleming in 1928 is a drug that inhibits
q for the enzymatic reaction what is the effect of a substance with the same spatial conformation like an enzymatic substrate how is this kind of
q what is the relationship between enzyme and vitamins cofactorsmany vitamins are enzyme cofactors that cannot be synthesized by the organism and
q what are the enzyme cofactorssome of enzymes require other associated molecules to work these molecules are known as enzyme cofactors and they can
q since pepsin is a gastric enzyme does it have a basic or an acid optimum ph what happens to pepsin when it passes into the duodenumpepsin acts
q do enzymes act better under basic or acid phmost enzymes act in ph between 6 and 8 a range that corresponds to the general acidic level of blood
q does ph affect the enzyme activitythe concentrations of hydrogen ions in solution affect the enzyme activity each enzyme has utmost efficiency
q how is the cooling of tissues and organs for medical transplants associated with the effect of temperature upon enzymatic reactionsthe molecular
q concerning enzymatic reactions how dissimilar are the graphic curve of the variation of the speed of a reaction as function of substrate
q can you explain metallized filmsin metallized films plastic films such as those of polyester polyamide and polypropylene are coated with
q explain surlyn filmsurlyn films surlyn su is a versatile film which is sometimes favoured over polyethylene due to some unique properties such as
q what is the use of uncoated polyvinyl chlorideuncoated polyvinyl chloride pvc and polyvinylidene chloride pvdc pvc and pvdc are closely related
q what do you mean by polyesterpolyester es or polyethylene terephthalate pet pet is a very strong transparent glossy film which has good moisture
q what is polypropylenespolypropylenes pp cast pp bi-axially oriented pp bopp pearlized pp polypropylene is often termed a breathable film this
q what is polyethylenepolyethylene p low density polyethylene ldpe medium density linear low-density lldpe high-density polyethylene hdpe and
q relevance of food packagingto understand the relevance of food packaging it is necessary for us to understand how spoilage reduces the
q what is packagingwhat is packaging packaging means a coordinated system of preparation of goods in this case foods for shipment
epidemiology the study of disease in populations includes the aetiology of the disease patterns of distribution of the disease how the disease