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Biology, 21.06.2019 15:00
Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.
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Biology, 21.06.2019 22:30
Witch type of microscope is used to view very small cell components like proteins and dna?
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Biology, 22.06.2019 19:00
Penicillin is hydrolyzed and thereby rendered inactive by penicillinase (also known as β-lactamase), an enzyme present in some resistant bacteria. the mass of this enzyme in staphylococcus aureus is 29.6 kd. the amount of penicillin hydrolyzed in 1 minute in a 10-ml solution containing 10-9 g of purified penicillinase was measured as a function of the concentration of penicillin. assume that the concentration of penicillin does not change appreciably during the assay. penicillin(μm) amount hydrolyzed(nmol) 1 0.11 3 0.25 5 0.34 10 0.45 30 0.58 50 0.61 (a) plot v0 versus [s] and 1/v0 versus 1/[s] for these data. does penicillinase appear to obey michaelis-menten kinetics? if so, what is the value of km? (b) what is the value of vmax? (c) what is the turnover number of penicillinase under these experimental conditions? assume one active site per enzyme molecule.
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Biology, 23.06.2019 00:30
Which of the following substances most likely dissolve in water? check all that apply •paraff
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which part of the amino acid most likely contributes to the hydrophobic behavior if this region in t...
Mathematics, 18.06.2020 22:57
Mathematics, 18.06.2020 22:57
Health, 18.06.2020 22:57
English, 18.06.2020 22:57
Mathematics, 18.06.2020 22:57
Mathematics, 18.06.2020 22:57
Mathematics, 18.06.2020 22:57
Mathematics, 18.06.2020 22:57
Mathematics, 18.06.2020 22:57
Mathematics, 18.06.2020 22:57
Mathematics, 18.06.2020 22:57