Effect of arm length on weight
I have a practice question that asks what the readout would be on a force sensor at the red dot if the arm of the apparatus were lengthened but F applied at the end of the arm remained the same. View...
View ArticleHelper T Cells and their Role
How does a decrease in Helper T cells impair all aspects of the immune response? I got this question wrong on one of the KA passages and wasn't sure why that would be the case? Could someone elaborate...
View ArticleQpack Bio V2 #25
View attachment 207926 As for D: Lactic Acid accumulation. This means there is an insufficient amount of NADH to let lactate DH run to make lactate. Or insufficient glycolysis, resulting in...
View ArticleAAMC Scored B/B Questions
1) Based on the data presented in the passage, which statement best describes the HSP110ΔE9 allele? I understand the cancer-suppressing part, but don't understand how to figure out that HSP110ΔE9 is...
View ArticleLight rays and interference fringes
There is a non-AAMC practice question that goes as follows: "If a light ray strikes an interference fringe at a 35 degree angle with respect to the normal plane, the reflected angle with respect to the...
View ArticleAxon Length
Does axon length affect the speed of the neuron. Altius says no, but I say they are wrong, in fact axon length by increasing resistance lowers current and thereby lowers speed.
View ArticleEK Explanation is wrong
This is wrong.... Am i right.... Sensitivity is inversely proportional to the threshold.... so their logic is wrong please read it. Attached below.
View ArticleAAMC Scored P/S Questions
25) A researcher suggests that the effect of the testing condition on the affiliation ratings is caused by increased sympathetic nervous system activity due to performing a repetitive behavior. Is this...
View ArticleEK FL 3 C/P #8
The answer says pressure decreases with a more narrow pipe. I thought the more narrow the pipe = more often molecules will collide with the pipe, thus increases pressure. And what about...
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AAMC Scored C/P Questions
10) Acetic acid and ethanol react to form an ester product as shown below. In determining which reactant loses the –OH group, which of the following isotopic substitutions would... AAMC Scored C/P...
View ArticleAAMC Scored C/P #58
View attachment 207973 Multiplying .650 L * .120 M = .078 mol, but the CaI2 would dissolve into more mol of solute. Maybe I'm thinking of mol of ions? I thought 'solute' was a bit ambiguous.
View ArticleRandom Questions
Let's say you have a substrate that has an (R) configuration. Will an enzyme that acts on it necessarily have an (R) or (S) configuration? If glucose runs low, does the brain use ketone bodies or...
View ArticleWhen to use continuity equation vs. V=IR
View attachment 207987 The correct answer is C. The key used V=IR. Length is directly proportional to R and Area is inversely proportional. As area increases, R decreases, causing a higher flow rate....
View ArticleQpack Chem #8
View attachment 208029 The answer is only 5, which yes I agree is a stereocenter. Why is 2 not a stereocenter? @aldol16 (I chose this answer bc of the ucla article you sent me. Is it because it is in a...
View Articleequivalence pts
A weak acid equivalence point pH>a strong acid equivalence point pH, correct? because the weak acid will have a strong conjugate base, producing more OH-ions than a weaker conjugate base (from the...
View ArticleAAMC Scored B/B #54
View attachment 208037 Isn't "Endomembrane system" kind of a lame answer for a location? Would cleavage likely happen in the ER after translation or at the golgi with glycosylation? I guess it could...
View ArticleP/S conflicting answers TPR and EK
The question comes down to Socialization vs Assimilation. TPR and EK have different definitions...are they just making this stuff up now? I've attached the answers below, but allow me to quote....
View Articleunscored FL #16 aamc
For this question why can't D give positive result for tollen's test? Also, on a related note, can ketones give positive result for tollen's test and benedict's test?
View ArticleUnscored FL C/P passage interpretation
For this passage, when the reaction ends, is the water level supposed to drop from 50ml since H2 gas builds up in the buret?
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