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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
types of disease communicablecaused by infective agentsdisease non-communicablecaused by all other aetiological
q what are the major theoretical models that try to explain the formation of the enzyme-substrate complexthere are two major models that explain the
q what is meant by the substrates of enzymatic reactionsthe substrates are reagent molecules upon which enzymes actthe enzyme has spatial binding
q what are the enzymes what is the significance of enzymes for living beingsenzymes are proteins that are catalysts of the chemical reactions from
q is there a difference between the initial and the final energy levels in non-catalyzed and catalyzed reactionsthe catalysis does not modify the
q what amount of catalyst is obsessive in the reaction it catalyzescatalysts are not obsessive in the reactions they
q what are the catalystscatalysts are substances that decrease the activation energy of a chemical reaction facilitating it or making it
q what are respectively some remarkable functions of albumin myosin cd4 keratin immunoglobulin reverse transcriptase hemoglobin and insulinmyosin is
q what is the difference between vital and natural amino acidsessential amino acids are those that the organism is not capable to synthesize and that
q in sickle cell anemia a hereditary disease there is replacement of one amino acid by another in one of the four polypeptide chains of hemoglobin in
q is it expected that a change in the primary in the secondary or in the tertiary structure of a protein will produce furthermore functional
q what are some factors that can lead to protein denaturationprotein denaturation can be caused by temperature variation ph change changes in the
q how can denaturation be classified concerning its reversibilityprotein denaturation can be an irreversible or a reversible process ie it may be
q what is the protein denaturation is there any change in the major structure when a protein is denaturedsecondary tertiary and quaternary structures
q what is quaternary structure of a protein do all proteins have quaternary structurethe quaternary protein structure is the spatial conformation due
q what is tertiary structure of a protein what are the major types of tertiary structurethe tertiary protein structure is a spatial conformation
q what is the difference between the beta-sheet and the alpha-helix protein conformationsbeta-sheet and alpha-helix conformations are the two main
q what is secondary structure of a proteinthe secondary protein structure is creating by the manner its amino acids interact through the
q what is primary structure of a protein what is the significance of the primary structurethe primary protein structure is the linear sequence of