Electric Field
Can I make the assumption that the electric field of a positive charge and a negative charge will always be in the same direction? For calculation purposes, we would add both of them correct?
View ArticleNextStep FL 4 C/P #19
The light blue appearance of S157T is most directly attributable to what other phenotypic change versus the wild type? A. Increased λ max B. Decreased λmax C. Decreased ɛ D. Increased ɛ...
View ArticleElectric field between 2 parallel plates (capacitors)
I know the formula is E=sigma/Eo, but what does sigma mean/stand for?
View ArticleFluid vs Crystalized Intelligence
Which intelligence decreases with age? Fluid or crystalized?
View ArticleConjugate base question
TBR states: "The weaker the conjugate base, the stronger the acid that is required to react with it" I am having trouble understanding why this is. I figured that a weaker conjugate base means its more...
View ArticleI need help with the science passages on the mcat!!!!!
i need some strategies for the physics and chem and biological sections of the mcat. i always find that i get lost when reading the questions and never understand whats going on. ive taken countless...
View ArticlePhysics question
What is the tension in the string in trial 4 if the pendulum bob swings through equilibrium with a speed of 4 m/s? Mass of rope is 100 g, assume g = 10 m/s^2 A. 0.4 N B. 0.6 N C. 1.0 N D. 1.4 N I...
View ArticleChem Q pack #55-oxidizing and reducing agents
What are the oxidizing and reducing agents, respectively, for this reaction? 2HCl + H2O2 + MnO2--> O2 + MnCl2 + 2H2O a) H2O2 ; HCl b) H2O2 ; MnO2 c) MnO2; HCl d) MnO2; H2O2 The answer is D. After...
View ArticleActin Vs. Myosin
I know that Actin is composed of microfilaments. But what Is myosin composed of? I know that myosin is referred to as "thick." What are the actual components?
View ArticleBiochemistry Question Pack AAMC Question
Can anyone explain this to me? A is the correct answer.
View ArticleNextStep FL 4 B/BC #21
I wanted to clarify something about the deactivation and inactivation gates that was discussed in this question. Please let me know if I have this correct. From the answer explanation I found that...
View ArticleNextStep FL 4 B/BC #20
The answer explanation says: A is correct. The charcoal filter in this experiment was used to eliminate all odors and contaminants in this experiment except for the odor to which the scientists are...
View ArticleTPR Chemistry Buffer - Potential Mistake
The buffering capacity of the sample solution is maximum: A. when the pKa equals the pKb. B. when [conjugate base] equals [conjugate acid]. C. when the concentration of the solution is very low. D. at...
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Amphiphatic Molecules
Question, for a compounds to be amphiphatic do the hydrophobic and hydrophilic parts need to be on opposite ends such as in proteins and Phospholipids? I am asking because i thought the molecule below...
View ArticleVirions
Are virions produced when the virus enters the lytic cycle? Causing the cell to lyse?
View ArticleTBR physics phase II passage III
This passage is about wave speed and presents a setup with a wire tied down at two ends, where halfway down the wire, the material changes so that the mass per unit length value is different. Question...
View Articlesupersaturated solution for rock candy
So when making rock candy, you heat up the solvent, dissolve some sugar to make a supersaturated solution that contains more dissolved solute than a saturated solution, put in string, and slowly cool...
View ArticleMCAT DOs and DONTS
Hello everyone, this is my first forum, and after years of looking at everyone else's post that weren't exactly answering my question,... I decided to ask my own finally. 1.) I am a Junior in Biology...
View ArticleNextStep Reproduction
So what to make of this question? Which of the following choices represents a valid combination of a menstrual cycle hormone and its effect in a man? A. LH stimulates Leydig cells to produce estrogen...
View ArticleWhat's the relationship btw frequency, wavelength, and temp?
I'm currently studying wavelength and frequency and I'm writing a lab about the Effect of Temperature Change on the Tune of a pipe. I've learned about the equation v= f*Lambda. What will happen if...
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