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what trigggers would you propose led to the evolution of sexual reproduction and did it evolve only once or multiple
an elderly patient was admitted to the hospital through the emergency department after being found unconscious at home
1 all protist were once classified in a single kingdom called protist but today this classification has been abandoned
a biologist at the cal academy of science calls you one day to consult about a strange occurrence she tells you that a
q1 what is the most common pigment found in plantsq2 name the other pigments found in plantsq3 why cant you see the
in a population of tomato plants mean fruit weight is 47g and h2 is 057 predict the mean weight of the progeny if
how would you expect a cervical vertebrae to differ from a lumbar vertebrae in a tetrapoddescribe the original purpose
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the histidine locus is complex in neurospora crassa many multiple alleles are known such as 245 cd-16 430 and 261 which
the odd combination ofnbspsuspensorynbspupper bodies and bipedal lower bodies influencesnbspmodern humannbspability to
the evolutionary pathways of some groups of related organisms seem to have moved from larger to smaller organisms over
a woman has color-blindness a sex-linked recessive trait her husband has normal vision their daughter and son both have
you are testing the rate of glucose transport into vesicles using the na-glucose pumpa in experiment 1 you employ
in humans brown eyes is dominant over blue eyes if a blue-eyed man marries a brown-eyed woman whose mother had blue
vampires have a diploid chromosome number of 38 humans have a diploid chromosome number of 46 if a male vampire mates
what type of centrifugation could you use to separate organelles of different densities from each other eg separate
in what type of electron microscopy does the electron beam pass over the surface of the
in dna the two chains are held together by what kind of bond between the
in yeast one haploid strain is unable to synthesize uracil but able to synthesize leucine while another haploid strain
what is the difference between the plant and animal cells what are there sizes and
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give an evolutionary explanation for why the inner ear of mammals makes use of fluid pressure
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the following data were obtained from enzymatic oxidation of phenol by oxidase atdifferent phenol concentrationss mgl