Biology, 19.02.2021 22:50 calebnlocke
Which example demonstrates positive tropism?
A. A flowering plant, sitting on a table, is unable to grow.
B. A flowering plant, sitting on a table, is growing straight up.
C. A flowering plant, sitting on a table, is growing toward an adjacent window
D. A flowering plant, sitting on a table, is growing away from an adjacent window.
Answers: 2
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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
Which example demonstrates positive tropism?
A. A flowering plant, sitting on a table, is unable t...
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