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q define food spoilagefood spoilage is a major concern of all people spoilage by growth of bacteria yeasts and moulds limits the time that the food
define method used for capsular staining - anthony staining methodanother method used for capsular staining is anthony staining method devised by ee
q detect the presence of synthetic food colours in the given samplesobjectives after conducting this activity you will be able tobull describe the
is it more indicated for a geneticist desiring to map the x chromosome of the mother of a given family the researcher does not have access to her dna
why capsulate staining is difficultcapsule staining is difficult because capsular material is soluble in water and may be dislodged or removed during
define capsule staining anthony staining methoda rigid well-organized gelatinous layer called capsule is present outside the cell wall of many
q what do you mean by permissible level to regulate and enforce safety about the use of these synthetic colours and dyes pfa 1954 has covered their
is it possible that an x chromosome of a woman can have come from her fatherit isnt only possible that an x chromosome of a woman is from her father
q what are natural or synthetic food coloursfood in raw state has a natural colour which is associated with the characteristics of that food in the
concerning the sex chromosomes of the xy system which type of gamete do the male and the female individuals respectively producean individual of the
q effect of substituting emulsifying agents i make a starch gel with frac12 t tablespoon of cornstarch add frac12 cup of water cool the gel take 2 t
explain the requirements of special stainsspecial stains are required to make spores clearly visible different techniques like negative staining
explain the position of the endosporeendospore cannot be stained by ordinary methods such as simple staining and gram staining because these dyes do
q determine the best method of preparing a stable emulsionto determine the best method of preparing a stable emulsion like mayonnaisebull learn the
what are the homologous and the heterologous portions of the human sex chromosomesthe homologous portion is that in which there are genes having
what is an endosporean endospore is a specialized highly resistant dormant structure formed within the vegetative cell of some bacteria eg bacillus
how is the genetic determination of sex established in humansin the diploid genome of the human beings there are 46 chromosomes 44 of them are
q preparation of hot souffle i melt 12 g butter in a saucepan add 12 g flour and stir cook for 1-2 minutesii gradually add frac14 cup of scalded
is crossing over important for the diversity of biological evolutionthe sexual reproduction and the recombination of linked genes crossing over are
demonstrate the effect of foaming in preparation of cold and hot souffles after undertaking this activity you will be able tobull learn how to
how can the concept of recombination frequency be used in genetic mappingthe genetic mapping is the determination of the location of the genes in a
what is a centimorganthe centimorgan or the recombination unit by convention is a distance between two linked genes that corresponds to 1 of
why does the recombination frequency of genes vary with the distance between them in the chromosomethe farther the distance among the loci of two
explain counter stain - ziehl-neelsen methodmethylene blue is used to stain previously decolourized cells all non acid-fast bacteria de-stained by
q effect of various additives on the stability of egg foam recognize the different stages in the foam formation explain the effect of various