REM sleep behaviour disorder
Can someone go over how REM sleep behaviour disorder is linked to dopamine deficiency? I know that in REM sleep behaviour disorder, the brainstem doesn't turn off and the muscles don't get paralyzed...
View ArticleUnit conversion
Can someone go over this? 1 horsepower is approximately 33,000 foot-pounds per minute. How many watts is this? [note: assume 1 kg = 2 pounds and 1 m = 3 feet] I know that Watts = Joules/sec = kg...
View ArticleFlow Rate
I know that there are 2 equations for flow rate but I am confused about which one to use for which type of problems. A1v1 = A2v2 Q = P/R For example, Q. If the radius of the blood vessel increases by a...
View ArticleBiology Kidney Question
View attachment 198670 I am confused on how to interpret this figure. I know that lumen side inside some tubule in the nephron, the tubule is lines with the tubular cell and is surrounded by...
View ArticleTheories of Emotion
Hi all, I'm studying using TPR Psych/Soc but I've been getting definitions on the theories a bit mixed up. Let's take Cannon-Bard Theory as an example. From what I know, there is some sort of...
View Articleprotein folding enthalpy
Going from a non-folded protein to a folded protein, would enthalpy change be negative (energy released)? I was thinking that it would take energy to break interactions (ionic, hydrophobic, and van der...
View ArticleGPA Vs. MCAT
Hey guys! I need some advice. I am a junior hoping to apply to medical school next june. I currently have a 3.68 cGPA and 3.2 sGPA. my science gpa is so low because i retook organic chemistry(B+) after...
View ArticleMutations Question
View attachment 198739 View attachment 198740 Experiments using the two mutant strains P and Q, reveal that strain P accumulates citrulline, but strain Q does not. Which of the following statements is...
View ArticleDetect truncated protein in plasmid but not original mutant gene?
A mutant mammalian gene has a premature stop codon but a Western blot detects no truncated protein. A plasmid is cloned from the wild-type gene and the mutant gene's premature stop codon is inserted at...
View ArticleChemistry scientific reason and problem solving
Okay so I got this question on my practice exam and there is a conversion factor that I do not understand or better I don't know where they got it from if someone knows please explain consider the...
View ArticleGeneral Chemistry Question
This is a question from McGraw-Hill's new 500 question gen chem book: Light induces the following rxn in some photographic paper: AgI(s)--->Ag(s)+I(s) What type of rxn is this? Answer: reduction rxn...
View ArticleWhy can't fat be converted into Glucose?
So the reason cited is that beta oxidation/metabolism of fats leads to formation of acetyl coa, a 2 carbon molecule, and that because of that it cannot be converted back into glucose. Why exactly is...
View ArticleBest way to Prepare for the Psychology Section MCAT?
Ok, to those who have done well on this section....What did you do? I am lost trying to even start studying for this section. I am scheduled for 5/20/2016 and keep hearing how bad all the review books...
View ArticleTransition metals: why not anions?
Perhaps this is a completely silly question but I was wondering today why transition metals never form anions. For example, it seems like copper would love to take on one additional electron to fill...
View ArticleBoiling point of glycerol
I assume Glycerol's BP is so high due to its ability to form intermolecular h-bonds.. BUT, since the hydroxyl groups are all in such close proximity with one another, wouldn't they simply H-bond...
View ArticleWhen MUST you use Kelvin for calculations?
Recently got this problem from NS 3 wrong... A balloon has a volume of 3L at 25C, what is its volume at 50C? I understand Charles law and everything but: If you use C, you get 6 L If you use K, you get...
View ArticlePeriodic trends
Why do electron affinity, energy change after adding an electron, and ionization energy, energy released after losing an electron, have the same periodic trend (increases going up and to the right)?
View ArticleQuestions about practice passages
Is there a comprehensive list(s) of the practice passages/tests available? I really wanna be able to do a passage everyday until April 1st and a practice exam every weekend. Is this even possible?
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Lipid ester moieties and sp2 hybridization
My question concerns the hybridization of glycerol carbons. In triglycerides, there are three esters linking the FA tails to the glycerol backbone. I understand that a carbonyl carbon is sp2; however,...
View ArticleRestriction enzymes question
So there's a question on a practice exam that basically asks that if you use EcoRV as an restriction endonuclease, and you create a recombinant plasmid vector with a plasmid that has one EcoRV site,...
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