q pack gen chem #14
For this question, why can't the answer be D? Is it because the precipitate formed is NiCO3? Is it possible for sulfate to form color when excited because of its double bonds creating homo and lumo?...
View ArticleForce on dipoles from increasing voltage across a capacitor
This is a question that comes from the EK #1 FL and they had a rather brief explanation but I think I may understand this concept and wanted to verify with you guys. So the reason why a dipole placed...
View ArticleQuestion pack gen chem #36
For this question, why can't it be C? aren't the electrons on nitrogen delocalized over the benzene ring?
View ArticleRestudying with same material
If this has been answered maybe I'm not bright enough to find the thread, however, I studied hard for the mcat. Got a 502. Got a 508 on the scored AAMC and like 504 on my best Kaplan practice test. It...
View ArticleSB P/S #67
View attachment 207871 I understand C is incorrect due to the extreme wording of 'excellent' under a low correlation of 38%. 1. If the question were changed to +0.5 (50%) would that make C correct? or...
View ArticleSB P/S #50
View attachment 207869 I am just wondering what the graph would look like for BCD to be correct. BC-If the population for all age groups are the same? D-no way of knowing from this graph? Let's say if...
View ArticleBlotting
View attachment 206878 The answer is C. The key says that they knew it was BamHI because lane 2 is absent in the blot, so we know it cut gene X. From my understanding, after the blot, probes are...
View ArticleLDL or IDL.
Which one is more dense, LDL or IDLs.... because VLDLs are less dense but it seems that LDLs are listed as more dense than IDLs.
View ArticleBio Question Pack V2 #96
Colchicine most likely relieves gout symptoms through what mechanism? A. Prevention of uric acid diffusion through cell membranes B. Inhibition of leukocyte phagocytosis of uric acid crystals C....
View ArticleCancer Vocabulary
Can someone outline the difference between protooncogenes, oncogenes, and tumor suppressors genes? Is there any more vocab or other information about cancer that we should know for the exam?
View ArticleEK Bio Nervous System #27
The question reads: If a neuronal membrane were to become suddenly impermeable to potassium ions but retain an active Na+/K+ ATPase, the neuron's resting potential would: A) become more positive...
View ArticleSection Bank P/S Questions
I have a lot of questions on the Psych/Soc section bank that I just don't understand the explanations for. I know there's a lot here, but even if you can only answer a few please do so. 53) Based on...
View ArticleLaplace Rule
Saw this on one of the equation sheets in GS, what is it? Never been asked a question related to it. Worth memorizing the equation?
View ArticleAAMC SB P/S #15
Having a bit of trouble understanding why A and C aren't also things that should be avoided. My understanding is that A. operant extinction = when a behavior is no longer reinforced or punished so...
View ArticleTPR FL2 #11 C/P
Can someone help me out with this question? I have never been very strong in optics and can't seem to understand this one!
View ArticleThe "immediate" effect of a reaction?
This question has me completely stumped. Apparently the production of a ketone body can lead to an increase in the pH? Can anyone further explain this to me? The Altius explanation doesn't make much...
View Articlehemiacetyl reaction of D-glucose
When D-glucose undergoes hemiacetyl formation, it shows the hydroxyl group on C5 acting as the nucleophile to make the chair formation. Why doesn't the hydroxyl group on C6 act as the nucleophile also...
View Articlepkb values!
How does an increase in basicity of an amino acid residue cause a decrease in pkb? I thought since you have a more basic residue, the pkb would be favored and larger... sorry this is really hard to put...
View Articleelectrochemistry question (chemistry q-pack passage #20)
View attachment 207927 From the description, reduction happens at the Ag electrode so this is the cathode. The Cd electrode would be the anode (equation 3 shows Cd oxidation). I was thinking about...
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