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1. What actual cellular event did you represent by moving the pairs of centrioles to opposite poles?2. What actual cellular event did you represent by connecting the centrioles to each other with the chromosomes in the middle?3. Was you model a more accurate simulation of mitosis in a plant cell or an animal celll? Give two reasons for your answer.
Assume you isolate a mutant e.coli strain that is unable to grow without tryptophan supplementation at 37 degrees C but grows normally at 25 degrees C.
Describe the mechanisms through which input from GABAergic inhibitory neurons reduce action potential firing and neurotransmitter release.
Phenyl-Sepharose resin consiss of a phenyl group attached to a matrix of agarose. Suppose you need to use this chromatographic method to separate a mixture of polypeptides consisting of polyalanine, polyserine, polytryptophan and polylysine.
Two pea plants heterzozygous fro purple flowers. They produce 100 seeds. If you pick one and let it grown what is the chance it would be white. What is the chance it would be purple?
Suppose that the breeder selects plants that mature in 69 days for the next generation. Approximation the time required for the next generation to mature. What kind of infection do you believe she has in this hand.
A generalized transducing phage is used to transduce an a-b- c- d- e- recipient strain of E. coli with an a+ b+ c+ d+ e+ donor.
What phenotypes would you expect in the F2, and in what actual numbers (not ratios) would you be expecting to find them. Describe the process of speciation. Comprise in the discussion the factors that can contribute to the maintenance of genetic isol..
what are the two tiny structures located in the cytoplasm near the nuclear envelope at the beginning of prophase?
You run a test of a tall pea plant. your results are 135 tall and 2 short. What is the genotype to the tall parent? Prove with a punnett squate.
Assume your friend Charles D., is a forty-five year old male who is newly divorced and is living by himself in a new home. He has told you about some health issues including weight loss.
For each of the mutations below, which mutation is more likely to disrupt the structure of a protein that is, make a mutant protein that is less stable than the nonmutant protein?
The origins of replication on our chromosomes are rich in a certain base-pairing. Which explanation below is correct?
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