Biology, 06.12.2019 19:31 atirahmalik2425
Sunlight heats the ground, and the ground warms the nearby air. the warm air expands and rises, while cool air rushes in to take its place. surface winds are an example of in the earth's atmosphere. a. condensation b. convection c. radiation d. conduction
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Biology, 21.06.2019 23:40
Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere
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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.
Answers: 2
Sunlight heats the ground, and the ground warms the nearby air. the warm air expands and rises, whil...
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