Inhibitor constant
Can anybody comment on if Ki is relevant for the MCAT? One of the EK practice passages included it in a table as a distractor so I'm not sure if it's still considered fair game.
View Articleaamc cars pack 1
anyone understand this question. "suppose that a study found that in" Q 104. why can't it be A?
View ArticleCARS question
Hey, I wanted to know if anyone wanted to clarify something for me from a CARS question I got wrong on the AAMC Q pack So I chose A because the passage says, "Such firms tend to be protected from...
View ArticleEK physics 1001 # 57
A particle moving at 5 m/s reverses its direction in 1 second to move at 5 m/s in the opposite direction. If its acceleration is constant, what is its speed at 0.5 s ? A. 0 m/s B. 1.25 m/s C. 2.5 m/s...
View ArticleComparing prokaryotes and Eukaryotes
According to this question in the bio q pack, both bacterial and human cells are capable of producing ATP via ATP synthase. When I saw this question, my reasoning was that A had to be wrong because I...
View ArticleChromosomal Translocations
After a chromosomal translocation occurs, how do these new derivative chromosomes know how to line up at metaphase? After a translocation happens to a chromosome it isn't the same anymore and so how...
View Articleaamc chem question pack #23
Can somebody explain this to me please? I'm still a little confused why the answer isn't A. Thanks!
View ArticleInterpretation of the bystander effect
Does the bystander effect necessarily mean that a person is less likely to be helped when many people are around, or does it only describe the phenomenon that a person is less likely to help when...
View ArticleAAMC bio q pack 99
Confused by AAMC's reasoning for why choice A is incorrect. They say, "Addition of cholinesterase blocker would produce buildup of Ach in the synapse and prevent receptors from responding to impulses."...
View ArticleNS FL 4 P/S #38
View attachment 222042 The question asks us to apply the results of study 1, which found that extrinsically motivated individuals experienced increased motivation with a monetary reward, while...
View ArticleMyoglobin Buffer?
A question from TBR: "Which of the following is least likely to act as a buffer during the formation of urine in the nephron? A) inorganic phosphate B) bicarbonate C) Myoglobin D) hemoglobin" The...
View ArticleVSEPR angles
If VSEPR is based on the repulsion of electrons, why does a bent tetrahedral molecule like water have a smaller angle (104.5) compared to a normal tetrahedral molecule like CH4 (109.5)? Shouldn't the...
View ArticleHelp with a question. MCAT prep
Please guys i need help. why is option D wrong? I get why option B is correct, based on the explanation given but i thought D was true for all liquids too. View attachment 222104
View Article2,3-DPG effects on PO2
In an EK101 Physiology passage, it presents a patient who experiences delayed breathing, headache, and dizziness after arriving in a high-altitude city. The question asks "which of the following curves...
View ArticleLike dissolves like
Can someone check if my logic is correct: Methanol dissolves in water because both have hydrogen bonding (similar intermolecular forces dissolve with similar IMF or "like dissolves like"). But Pb(OH)_2...
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Interpreting error bars
Given that the bars are overlapping in this graph, is it possible to conclude that increasing alcohol concentration increases membrane fluctuation? The answer from EK says it does but just wondering...
View Articlecan someone explain TBR Physics 3. question 17 and 18
the answer is B and A i don't understand what capacitors do and "flow in the path of least resistant"
View Article#17 Biochem Section Bank
Hello! This question confused me and my friends. So I know that palindromic sequences are the sequences that are the same on both strands when read from the 5' -> 3' direction. But what I'm confused...
View ArticleIntensity in EM waves vs Sound waves
Apparently the intensity in EM waves is only proportional to the # of photons. EK says that for a sound wave the intensity is proportional to density, wave velocity, square of the frequency, and square...
View ArticlePressure & Doppler effect
In ultrasonography, the difference between emitted and observed frequencies varies proportionally with vessel pressure. On that basis, it can be concluded that a doppler shift of the lowest magnitude...
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