electron affinity vs ionization energy
Hoping to clarify my understanding: For electron affinity we're talking about an atom gaining an electron (energy released). So more negative energies mean more affinity. For ionization energy we're...
View ArticleAAMC Section Bank B/BC #21
The question asks about an amino acid substitution for the conserved residue at position 64 of IN (intergrase). In the answer (which is glutamate), it states that the conserved residue at position 64...
View ArticleGen chem helppppp!!
Q: The mechanism for the decomposition of NO2Cl is N02Cl ---> N02 + Cl N02Cl + Cl ---> N02 + Cl2 What would the predicted rate law be if the second step in the mechanism were the rate determining...
View ArticleP/S Section Bank Questions
Hello, As you may know, the explanations in the AAMC questions suck. So if people want to use this thread for answering P/S section bank related questions that would be great! I would be thankful if...
View ArticleSummer Battle Plan ~ Possible w/ Traveling?
Hello! So I just finished my sophomore year, and I have 3 months free EXCEPT for one month in the middle, where I will be traveling to Europe taking a course (it's difficult for me to stay local for...
View ArticleExamkrackers: In Lecture Question #50 in Biology I Book
Hello! So I'm confused as to how I got this question wrong: Which of the following would be allowed to cross the cell membrane without the aid of an accessory protein? a.) Glucose b.) Glycine c.)...
View ArticleInternal Reflection and Snell's Law TPR FL 1 Spoiler
Can someone explain this View attachment 203907 I totally guessed on this but I still want to know how do I figure this out. I know that internal reflection occurs when the medium has an index of...
View ArticleB/B scored exam #58 Genetics
Assume that K and M are two unlinked genes that affect hearing. The dominant K allele is necessary for hearing, and the dominant M allele causes deafness regardless of the other genes present. Given...
View ArticleDiffraction and the Concept
I absolutely have no idea what the point of diffraction is or what it's useful for. The only thing I get out of it is passing light through a hole and getting patterns on a wall. Could someone explain...
View ArticleWishy-washy CARS answers. How to pick? (unscored spoiler)
View attachment 203989 This question is soooo subjective. How is a lobster telephone more unconscious/fantastic/imaginative than a sculpture with abstract spinning circles? How does AAMC split hairs...
View ArticleDNA viruses
DNA viruses will use host machinery to replicate and infect cells. Is the DNA always kept separate from the host DNA or can integration occur as in retroviruses?
View Articleenzyme question
View attachment 204000 This is just a typical enzyme question. (B) is the answer, but I was thinking about this- (C) isn't necessarily wrong is it? Enzymes also decrease the entropy of reactants to...
View ArticleStandard enthalpy of formation for liquid water
I'm having a hard time understanding standard enthalpy of formation. On the Gen chem EK book, problem 63 for Lecture 3, they ask: The standard enthalpy of formation for liquid water is: H2 (g) + fiO2...
View ArticleStrength of alkenes
I'm looking at a question with a passage that contains the heats of hydrogenation of various alkenes, ranging from least to most substituted. The numbers become progressively less negative. One...
View ArticleVenturi Effect and Blood Flow
Hey guys! From what I understand the venturi effect only applies to ideal fluids and it states that a fluid's pressure decreases in a constricted region. However, if you have have plaque buildup in an...
View Articlepsych question (AAMC flashcard #15)
So will performing a difficult task in front of an audience lead to social loafing? How about performing an easy task? (Randomly remembered) Is young's modulus/ stress on a solid covered on the new...
View ArticleEnantiomers vs. Optical Isomers
Are all enantiomers considered optical isomers? Can diastereomers also rotate plane-polarized light?
View ArticleStrength of a base
There was a question I came across in my TBR orgo book "Which of the following types of compounds is the MOST basic?" A. Primary alcohols B. Esters C. Secondary amines D. Tertiary thiols It says that...
View ArticlepH and pOH
Hi guys two things I'm confused about: frist of all how do you calculate -log(.001) = 3 without using the calculator? second, why is 3 is not the answer to, why do we have to use pH +pOH =14 and use...
View Article