Biology, 30.06.2020 16:01 ilovepickles930
4. What is an advantage of genetically engineered biological pacemakers over electronic pacemakers?
A) Biological pacemakers have been used much longer than electronic pacemakers.
B) Biological pacemakers inject cells into the patient rather than use surgery to insert an electronic pacemaker.
C) Biological pacemakers can be removed when they are no longer needed, but electronic pacemakers can never be removed.
D) Biological pacemakers work on all patients, but electronic pacemakers only help those patients who have had heart attacks.
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Why reason best illustrates why hershey and chase chose to use viruses in their experiment?
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In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?
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According to these anatomical structures which two animals are probably most closely related
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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
4. What is an advantage of genetically engineered biological pacemakers over electronic pacemakers?...
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