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These are CVs from my dataset depicting DAPG in M9 media. Can we see a clear DAPG peak relative to the blank?
A) Yes, there's a clear peak at 0.6 V, which is DAPG's known peak potential
B) No, the CV of 15 uM DAPG appears similar to the blank
C) Yes, there's a small but visible peak at 0.2 V
D) No, the 15 uM peak is probably baseline noise and not DAPG
| 1 |
[
"Yes, there's a clear peak at 0.6 V, which is DAPG's known peak potential",
"No, the CV of 15 uM DAPG appears similar to the blank",
"Yes, there's a small but visible peak at 0.2 V",
"No, the 15 uM peak is probably baseline noise and not DAPG"
] |
|
These are CVs from my dataset depicting DAPG in M9 media. Can we see a clear DAPG peak relative to the blank?
A) Yes, there's a clear peak at 0.6 V, which is DAPG's known peak potential
B) No, the CV of 62.5 uM DAPG appears similar to the blank
C) Yes, there's a small but visible peak at 0.2 V
D) No, the 62.5 uM peak is probably baseline noise and not DAPG
| 0 |
[
"Yes, there's a clear peak at 0.6 V, which is DAPG's known peak potential",
"No, the CV of 62.5 uM DAPG appears similar to the blank",
"Yes, there's a small but visible peak at 0.2 V",
"No, the 62.5 uM peak is probably baseline noise and not DAPG"
] |
|
Here are CVs of DAPG in M9 and in PBS. Does DAPG show up at roughly the same potential between the two media?
A) Yes, DAPG appears at a potential of 0.6 V in both CVs
B) No, DAPG has no peak in PBS so the statement is false
C) Yes, the peak at 0.9 V appears in both M9 and PBS
D) No, the PBS peak is smaller than the M9 peak
| 0 |
[
"Yes, DAPG appears at a potential of 0.6 V in both CVs",
"No, DAPG has no peak in PBS so the statement is false",
"Yes, the peak at 0.9 V appears in both M9 and PBS",
"No, the PBS peak is smaller than the M9 peak"
] |
|
These files were in my PG PB (phloroglucinol in PB buffer) folder labeled "CV_0.1M_PBBuffer_220719.txt" and "CV_10mM_PG_inPBBuffer_220719.txt". Below, I've plotted the two, where the blue curve is the blank and the orange curve is 10 mM PG. Which part of this result seems strange?
A) The peak height at 0.5 V is unchanged even after the addition of PG
B) The blank has peaks even though we'd expect none in PB
C) The PG peak appears at 0.2 V, which is shifted from its expected potential
D) The peak at 0.9 V is larger than expected for 10 mM PG
| 1 |
[
"The peak height at 0.5 V is unchanged even after the addition of PG",
"The blank has peaks even though we'd expect none in PB",
"The PG peak appears at 0.2 V, which is shifted from its expected potential",
"The peak at 0.9 V is larger than expected for 10 mM PG"
] |
|
The following cyclic voltammograms depict DAPG in M9 media at increasing concentrations. Does it follow the expected trend of strictly increasing peak height with concentration?
A) Yes, the peak height increases roughly linearly with increasing concentration
B) No, the peak for 31.25 uM is lower than the peak for 62.5 uM
C) Yes, there's a monotonic relationship between peak height and concentration
D) No, the 15.625 uM peak is not higher than the blank peak
| 3 |
[
"Yes, the peak height increases roughly linearly with increasing concentration",
"No, the peak for 31.25 uM is lower than the peak for 62.5 uM",
"Yes, there's a monotonic relationship between peak height and concentration",
"No, the 15.625 uM peak is not higher than the blank peak"
] |
|
Here are cyclic voltammograms of DAPG in PBS at increasing concentrations. Does it follow the expected trend of strictly increasing peak height with concentration?
A) Yes, the peak at 0.2 V increases monotonically with increasing concentration
B) No, the 59 uM peak is higher than the 29 uM peak
C) Yes, the peak height at 0.6 V increases roughly linearly with increasing concentration
D) No, the recorded concentrations are not linearly spaced
| 2 |
[
"Yes, the peak at 0.2 V increases monotonically with increasing concentration",
"No, the 59 uM peak is higher than the 29 uM peak",
"Yes, the peak height at 0.6 V increases roughly linearly with increasing concentration",
"No, the recorded concentrations are not linearly spaced"
] |
|
These are CVs of PG in M9 media. I'm interested in the relationship between the first cycle and the second cycle. Which statement is true?
A) The 15.625 uM curve does not show a peak in the second cycle because the sample has been exhausted of PG
B) The data should not be compared because the PG concentrations are different
C) The peak heights in the second cycle are higher because of buildup of redox active species on the electrode surface
D) The second cycle shows reduced current relative to the first cycle
| 3 |
[
"The 15.625 uM curve does not show a peak in the second cycle because the sample has been exhausted of PG",
"The data should not be compared because the PG concentrations are different",
"The peak heights in the second cycle are higher because of buildup of redox active species on the electrode surface",
"The second cycle shows reduced current relative to the first cycle"
] |
|
Here's some of my cyclic voltammetry data from adding DAPG to M9 media, as well as PG to M9 media (collected separately). How do the blanks inform my data analysis?
A) The blanks are in the same current range, confirming that the datasets are comparable
B) The DAPG blank is the wrong shape, which tells me I need to re-run the experiment
C) The PG blank has more signal than the DAPG blank, so I should use it to normalize my data
D) The blank CVs are orders of magnitude smaller than the data CVs, so they don't affect my results
| 2 |
[
"The blanks are in the same current range, confirming that the datasets are comparable",
"The DAPG blank is the wrong shape, which tells me I need to re-run the experiment",
"The PG blank has more signal than the DAPG blank, so I should use it to normalize my data",
"The blank CVs are orders of magnitude smaller than the data CVs, so they don't affect my results"
] |
|
DAPG and PG are similar in chemical structure, so we expect their electrochemical signatures should be similar. If the experiments are directly comparable, what seems strange about these results?
A) DAPG's signal is stronger than PG's, even though they're expected to have approximately the same magnitude of signal
B) PG's peak is shifted relative to DAPG's peak, suggesting the electrochemical behavior is very different
C) PG's peak is smaller than DAPG's, which suggests that the experiment was not done correctly
D) The legend suggests that PG's signal is three orders of magnitude weaker than DAPG's
| 3 |
[
"DAPG's signal is stronger than PG's, even though they're expected to have approximately the same magnitude of signal",
"PG's peak is shifted relative to DAPG's peak, suggesting the electrochemical behavior is very different",
"PG's peak is smaller than DAPG's, which suggests that the experiment was not done correctly",
"The legend suggests that PG's signal is three orders of magnitude weaker than DAPG's"
] |
|
Here's an experiment examining the interaction of histidine with a mediator. Does the data suggest that histidine interacts with the mediator?
A) Yes, the change in peak shape indicates the two interact
B) No, the shape of the CVs before and after the addition of histidine is roughly the same
C) No, the mediator + his CV does not have the same shape, so the two CVs cannot be compared
D) Yes, the emergence of a new peak at approximately 0.9 V indicates interaction with histidine
| 0 |
[
"Yes, the change in peak shape indicates the two interact",
"No, the shape of the CVs before and after the addition of histidine is roughly the same",
"No, the mediator + his CV does not have the same shape, so the two CVs cannot be compared",
"Yes, the emergence of a new peak at approximately 0.9 V indicates interaction with histidine"
] |
|
Which two amino acids seem most similar in cyclic voltammogram shape?
A) Pro and Asn
B) Leu and Asn
C) Pro and Leu
D) Leu and Mediator
| 1 |
[
"Pro and Asn",
"Leu and Asn",
"Pro and Leu",
"Leu and Mediator"
] |
|
Here's some cyclic voltammogram data where I've plotted histidine and proline at different concentrations. The red CV is histidine, the brown curve is proline. Could you identify the other two histidine CVs by similarity of shape?
A) green and purple
B) orange and purple
C) blue and orange
D) red and green
| 2 |
[
"green and purple",
"orange and purple",
"blue and orange",
"red and green"
] |
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