Biology, 29.08.2019 08:30 CaleWort92
Birds with average-sized wings survived a severe storm more successfully than other birds in the same population with longer or shorter wings. this illustrates
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Biology, 22.06.2019 07:20
If your blood becomes too concentrated with iona, what will happen to the red blood cells
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Biology, 22.06.2019 11:30
About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000
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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, 22.06.2019 19:50
Which statements explains what the fossil records indicates? check all that apply. a) earth is 4.5 billion years old b) many organisms have become extinct c) mammals have always existed on earth d) mass extinctions have occurred several times on earth e) the amount of water on earth has decreased over time?
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Birds with average-sized wings survived a severe storm more successfully than other birds in the sam...
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