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Confused about Ki??
Competitive inhibitors bind in the active site of an enzyme. Uncompetitive inhibitors bind to an allosteric site on the enzyme-substrate complex. What kind of inhibitor binds to the substrate??...
View ArticleFrequency of cardiac muscle contraction compared to skeletal muscle contraction
In EK 9E Biology 2: Systems it states that "The action potential of cardiac muscle exhibits a plateau after depolarization. The plateau is created by slow voltage-gated calcium channels, which allow...
View ArticleNeed some help with this CARS question
All art is up to something. Art cannot just be; it always does—and what it does is hostile to stability. Of all the forces that influence our lives, whether the abstract or utilitarian, popular or...
View Articlesection bank cp #38
pic attached I don't understand A, why would there be a repulsive force and what is it between the variant and substrate?
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Chemically equivalent protons in NMR
This is from Khan's video on Chemical equivalence in NMR. They say that the 2 circled protons are not chemically equivalent due to being adjacent to a chiral center, but the 3 protons to the left of...
View ArticleHigh Blood Glucose and Altered Mental Status
On AAMC FL 1 B/B #55 it states that the brain uses insulin-independent methods of glucose uptake which is why diabetic brains receive adequate nourishment. I was wondering if anyone knew why pts with...
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Mechanics problem about Work
OK I need some help on this problem. I know that work is only done in the X direction due to the F cos 30 component of both people, however it does say frictional surface. Doesn't the F sin 30...
View ArticleNumber 44 in C/P Section Bank
I was confused on this question, but I think I figured out my confusion, could someone tell me if I'm thinking about this correctly? At first, I was confused as to why you would just calculate the...
View ArticleGlucose in blood
1) why is it bad to have too much glucose in blood? 2) it's necessary to always have some glucose in blood so that cells in our body can always take them up when they need energy right? Even when there...
View ArticleSection bank C/P #52
I see their reasoning that since yellow is the color seen, purple must be absorbed. However, the light chapter in TBR distinguishes between emitted colors and reflected colors, explaining that only...
View ArticleSection Bank C/P #14
View attachment 207451 The key for this question wasn't that clear for me. I have a separation scheme in my mind: your reactants are: amide, amine, anhydride. you react it with NaOH The amide could...
View ArticleSection Bank C/P 96 - Ternary Complex
The answer choice states that a ternary complex forms which is a protein complex with 3 different molecules bound together. Are the three molecules: ATP, Glycerol, and Glycerol Kinase? View attachment...
View ArticleEffect of [Substrate] and [Enzyme] on Km and Vmax?
This is in relation to the AAMC Sample B/B Q24 that asks "If the concentration of the transporter protein is increased, the transport affinity of L-alanine will:" The answer is "Not change" as...
View ArticleAAMC SB C/P 26
This is a relatively easy problem to solve but now I'm confused about when to use Avos.# If it's asking for how many molecules, don't you have to multiply by Avos.#? lol t-minus 3 days till test and...
View ArticleAAMC Physics QPack #36
View attachment 222267 If the equation for electric potential energy is U=kQq/r, then wouldn't "r" (on average) be smallest during phase "B" in the diagram. Therefore, electric potential energy would...
View ArticleAnother CARS question
The California whose death Buchanan has mourned is an agricultural state. Its “third-worldization” was also the source of the protection for workers in one of its largest industries. Workers’ dignity...
View ArticleCalcium and phosphate reabsorption
Just wanted to make sure that I have this down correctly - PTH and calcitonin are antagonistic in terms of regulating serum Ca2+ levels, but have the same effect on serum phosphate by reducing...
View ArticlePhysics Q Pack #7
I'm confused as to how they determined which wave corresponded to which harmonic. I assumed the wave with the largest wavelength (solid line) was the 3rd harmonic, because from looking at graphs 1B and...
View ArticleKinetic energy of gases with same volume, pressure, mass, but different MW...
Consider two gases A and B with different molecular weights in fixed containers of the same volume and pressure: A=0.35g B=0.35g. All of the following are true accept: A) both gases have the same...
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