T taylorswift132 Full Member 7+ Year Member Joined May 3, 2016 Messages 16 Reaction score 2 Aug 5, 2016 #1 Members don't see this ad. Can't seem to figure out what's going on here. Km = 1/2(Vmax) and from the graph, it looks as though Vmax = 1.6. Why is the answer 1.31? Attachments Screen Shot 2016-08-05 at 11.17.02 AM.png 27 KB · Views: 64 Screen Shot 2016-08-05 at 11.16.37 AM.png 71.9 KB · Views: 83
Members don't see this ad. Can't seem to figure out what's going on here. Km = 1/2(Vmax) and from the graph, it looks as though Vmax = 1.6. Why is the answer 1.31?
theonlytycrane Full Member 10+ Year Member Joined Mar 23, 2014 Messages 2,127 Reaction score 2,276 Aug 5, 2016 #2 Km is the substrate concentration when v = 1/2 vmax. So it's the substrate concentration, not the vmax velocity. Upvote 0 Downvote
Km is the substrate concentration when v = 1/2 vmax. So it's the substrate concentration, not the vmax velocity.
DrMantisTobogganMD Full Member 7+ Year Member Joined May 2, 2016 Messages 186 Reaction score 96 Aug 5, 2016 #3 Km = CONCENTRATION of substrate at 1/2 Vmax. Vmax is roughly 1.5, half of that is roughly 0.75 uM/s. Concentration at that velocity is roughly 1.3 Edit: roughly Last edited: Aug 6, 2016 Upvote 0 Downvote
Km = CONCENTRATION of substrate at 1/2 Vmax. Vmax is roughly 1.5, half of that is roughly 0.75 uM/s. Concentration at that velocity is roughly 1.3 Edit: roughly
laczlacylaci Full Member 7+ Year Member Joined Jun 20, 2016 Messages 264 Reaction score 49 Aug 6, 2016 #4 You could have also easily gotten the answer by looking at the formula. v=S*Vmax/Km+S (S=substrate concentration) therefore Vmax=1.732 & Km=1.310 If you were in a rush, it might be hard to distinguish between 1.7 and 1.3 on that graph. Upvote 0 Downvote
You could have also easily gotten the answer by looking at the formula. v=S*Vmax/Km+S (S=substrate concentration) therefore Vmax=1.732 & Km=1.310 If you were in a rush, it might be hard to distinguish between 1.7 and 1.3 on that graph.
T taylorswift132 Full Member 7+ Year Member Joined May 3, 2016 Messages 16 Reaction score 2 Aug 10, 2016 #5 Ah such a silly mistake! Thanks everyone! Upvote 0 Downvote