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b-galactosidase is a homotetramer with four active sites permolecule (1 per subunit). The Vmax of the purified enzyme usingONPG as substrate has been reported to be 400,000 nmoles/min/mgprotein. The molecular weight of the tetramer has been reported tobe 465,412 daltons.Please calculate the kcat (s-1) for a single activesite of b-galactosidase.
Provide summary the structural organization of DNA. In your answer, be certain that you identify the chemical components of the molecule, and the arrangement of the molecule
In a large interbreeding population 81% of the individuals are homozygous for a recessive character. In the absence of mutation or selection, what percentage of the next generation would be homozygous recessive? Homozygous dominant? Heterozygote?
1.how is the nervous system of the flatworm different from that of a human?2.describe the nonspecific defenses that
Complete the following table titled 'Applications of Different Observational Study Designs' indicating for every objective under the pertinent study design if objective is 'suitable' or 'not suitable'.
describe how fossils can be used as a line of evidence for evolution. In your answer, please include a basic definition for fossil, strata, describe how radiometric dating is done,and specifically how this can be used as a line of evidence for evo..
q1. two intracellular molecules x and y are both normally synthesized at a constant rate of 1000 molecules per second
after completing the life cycle cost worksheet you should have some idea of how much co2 you are releasing into the
Explain what it means for genetic counseling to be understood as "value neutral" and "nondirective"? HOw accurate are these descriptions?
If you grew that mutant in glucose, lactose, IPTG, and glucose and lactose how would the galactosidase activity differ from an E. coli strain containing a functional lac operon?
Explain how the metabolic processes of cellular respirationand photosynthesis recycle oxygen. Trace a molecule of O2 from the environment to a musclecell in a vertebrate of your choice.
The 95 percent confidence interval for the relative risk of cardiovascular disease in the hormone group was 1.09 - 1.36
difference between1. vasectomy and tubectomy2.pollination and fertilization3.sexual and asexual
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