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lifescience is originated from latin word scientia which means knowledgebiology is a branch deals with living beingsbiology word is originated from
modification of mitosis1 cryptomitosis or promitosis primitive type of mitosis in this mitosis nuclear membrane not disappear
human chromosomesthe normal diploid 2n chromosome number in human being is 46it was given by th tjio and a levan in 1956the chromosome complement of
supernumerary or accessory chromosomeswilson 1905 discovered them in matapodium insectvery small chromosomes present in nucleus in addition to normal
theories to explain fine structure of chromosome1 multistranded theorysteffenson 1959 - each chromosome composed of two chromatids half chromosome
karyotypeexternal morphology of chromosomes specific for each species of living organismskaryotype can be studied in metaphase of mitosiskaryotype
calculate the amount of heat required to raise the temperature of an 58 sample of water from 34c to 64c express your answer using two
numberbenden and boveri first indicated that number of chromosomes is definite in each organism1 haploid n - one set of chromosomes ie one chromosome
chromosomeskarl nageli and hofmeister observed chromosomes in pollen mother cells of tradescantiachromosome name proposed by waldeyerduring cell
intermediate filamentsthese are non-living structuresmade up of different types of protein eg keratin synemin desmin and vimentinthese are divided
microfilamentsdiscovered by pelvitzthese are smallest cell structurethese are non-living structuresthese are solid structures consists of actin
a muffin recipe calls for three forth of a cup of sugar and one eight of a cup of butter travis accidentally put in one whole cup of butter how much
piles of snow on slippery roofs can become dangerous projectiles as they melt consider a chunk of snow at the ridge of a roof with a pitch of 27 as
e solve the following system of equations by using matrix method 3x 2y 2z 11 x 4y 4z 17 6x 2y 6z
compare and contrast the structure of the following hyrda plain hydra mematocysts obelia amoeba euglena paramecium caudatum conjugation euglena
sirmadam i am a banquet farm owner and face the problem with the grass that in november amp december the grass does not grow well or disappear
you tested three different treatments for ripening bananas before you did the lab which one did you think would have ripened most state your
calculate the total heat in j needed to convert 777 moles of gaseous ethanol at 300 degrees c and 1 atm to liquid ethanol at 25 degrees c and 1 atm
why is it necessary to have the second division in meiosis even though cells have already been reduced to haploid number after the first
metals iron aluminium copper gold etc have great industrial significants which are their important ores important alloys of iron aluminium and copper
i have to prepare a assignment on liquid crystal and i want to make it different from other actually i got the matter from our book but our teacher
microtubulesdiscovered by de robertis and franchiterm given by slautterbackthese are hollow structures consists of tubulin proteineach protein diamer
functionin animal cells centrioles play important role in initiation of cell division by arranging spindle fibres between two poles of cellthus they