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during the life cycle of most animals some diploid cells undergo meiosis and haploid form in a process called gametogenesisspermatogenesisin the
metamerism - type of isomerismthis type of isomerism is due to the difference in the nature of alkyl groups attached to the polyvalent atoms or
differences between mitosis and meiosis events mitosis meiosis occurrence in all the body cells including germ
meiosis becomes significant for the following reasonsconstant number of chromosomesit brings about a reduction in the chromosome number from a
functional isomerism this kind of isomerism is because of difference in the nature of functional group present in the isomers the given pairs of
a cleavage furrow appears in the middle of the cell deepens gradually and divides the cell into twothus at the end of second meiotic division four
position isomerism it is due to the difference in the position of the substituent atom or group or an unsaturated linkage in similar carbon chaina
chain nuclear or skeleton isomerism this form of isomerism arises because of the difference in the nature of the carbon chain that is straight or
there is no interphase preceding second meiotic divisionthere is a brief intervening period called interkinesisduring this period there may be
simultaneously with the formation of two daughter nuclei a cleavage furrow appears in the middle of the cell the furrows gradually deepen and divide
introduction in this exercise you will learn various steps and procedures adopted while purchasing lab-related items this exercise will acquaint you
- the chromosomes at each pole uncoil and elongate to form the chromatin- a nucleolus reappears at each pole - spindle fibers and asters disappear
- nuclear membrane disorganize at the beginning of this phase- spindle fibers originate and the kinetochore fibers attach to the kinetochore of
the volumetric determination of a given acetic acid solution required by using 100 ml of a standard caustic soda solutioncompoundmicroscope1
diplotenethe paired chromosomes repel each other and begin to separateseparation however is not completed because homologous chromosomes remain
leptontenethe chromosomes becomes visible shorten and thickthe size of the nucleus increasethe homologous chromosomes start getting closer to each
1this is very prolonged phase and differs from the prophase of mitosis because in this chromosomes behave as homologous pairs2each diploid cell has
it is the preparatory phase cell organelle replicate and size of the cell increases dna molecule undergoes replication each chromosome exists as a
questionas office manager of her firm marcellyne has been directed to buy new filing cabinets she knows that cabinet a costs 10 requires 6 square
graph each data set which kind of model best describes the data 03 19 211 39
regulation of enzymatic action equations for competitive non-competitive uncompetitive inhibition and mixed
a figure is made of a rectangle and an isosceles right triangle the rectangle has sides of 6 in and 3 in one of the short sides of the rectangle is
saytzeff rule - elimination reactionas per to that principle major part is the most substituted alkene that is major product is obtain by elimination
it is an instrument used to detect small current passing by it by showing deflection galvanometers are of dissimilar types eg moving coil
chiasmata formation takes place where crossing over occurs here chromatid segments are exchanged which contributes to genetic variability the 46