Question From TBR Biology Book 1
I have the 2013 Berkeley Review Biology on page #124, I have a question: Why is it Systolic Pressure - Diastolic Pressure as opposed to the other way around? Below is the actual question and what I...
View ArticleKA C/P P1 Q3 - Heart Modeling
Question shown here I simply don't understand the explanation because the diagram and information from passage do not match with the explanation. Hint 1 At point C, no fluid flow is occurring in the...
View ArticleAAMC SCORED 1, Bio q 28 [SPOILER]
Hello everyone, I have a quick question on the AAMC scored exam 1 Bio/Biochem section question 28: Question 28: Colchicine is a drug that prevents the formation of microtubules. Which of the following...
View ArticleNeeding direction
Hello, I just need some type of advice on what to do. I graduated from undergrad with BS in May 2014. I am now completing my MPH this coming May. I have decided to apply to medical school next summer...
View Articlealtius free test bs #19
Why is easily forming and breaking interactions with other proteins important for signaling cascade?
View ArticleDNA/RNA/Peptide Lab Techniques - Denatured, Reduced, and Native States
Can the relevant nucleic acid/peptide be in native, denatured, and reduced forms when analyzed under these lab techniques (listed below)? Which nucleic acid/peptide form(s) makes the most sense for...
View ArticleSection Bank C/P #51
View attachment 205921 What is the easiest way to solve this problem? Writing it down on paper and finding the net charge for each takes a while (apparently more than a minute).
View ArticleIsomers Question
Hi guys, I am a little confused as to identifying the types of isomers of molecules. My problem is identifying conformational isomers in chair structures and also knowing when the structures are...
View Articlewhy does reactivity increase with decreasing ionization energy?
I can't wrap my head around this. I would expect less reactivity with lowered energies but Potassium, with a lower ionization energy is more reactive than calcium.
View ArticleReduction of an imine
If you used LiAlH4 to reduce the imine product of a reaction between a ketone and primary amine, wouldn't you end up with a primary amine? This is what I put, but BR says it would make a secondary...
View ArticleDoes shortage of Thyroxine cause hypertension or hypotension?
There was this question on AAMC Biology Volume 2 Question #71: Assuming hypothesis B to be correct, which of the following endocrine disorders would cause hypertension that could NOT be rectified by...
View ArticleWater Absorption: Small vs. Large Intestine
I'm doing online practice questions created by Varsity Tutors, and am stuck on the following Which of the following statements is false of the small intestine a) The small intestine is a major site of...
View ArticleJoule Units? TBR phyics Ch.3
"20. If a 10.0 g heating coil goes from 20 degrees C to 40 degrees C in 3.00 seconds, then what was the average power supply during this time if Ccoil = 3.00 J/g*K" A. 0.20 W B. 20 W C. 200 W D. 1800 W...
View ArticleOrganic Chem Help Needed
@aldol16 Can you please help me clarify some confusion with acid base chemistry? In TBR it asks why carboxylic acids are stronger than carbonic acids. The book says the answer is C, (the OH group is...
View ArticleO-Chem Question: Chair Conformations
View attachment 218432 View attachment 218433 The answer is A. I understand that the 13-deoxy-14-epimer is R conformation. But I don't understand why it is "axial". In the TPR solution it says "since...
View ArticleNarcolepsy vs Hypersomnia
What is the difference? A sudden, irresistible urge to sleep that lasts a few minutes to half an hour during the daytime is associated with: A. narcolepsy. B. hypersomnia. C. sleep apnea. D....
View ArticleAAMC Section bank c/p q 51 [spoiler]
Hello everyone, I have an issue with this question I hope someone can clarify for me View attachment 218422 So, I understand that Histidine shouldn't have a positive charge here on the bases that it's...
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