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MCAT Physics Question — Doorknobs

November 27, 2014

Why are the doorknobs of most doors placed on the edge of the door, opposite the hinge where the door is attached to the doorframe?

 

A) Placing the doorknob as far as possible from the door’s center of gravity helps minimize the frictional force between the door and the doorframe during opening.

B) Maximizing the distance between the knob and the hinge allows the door to be opened with less force, because torque and distance of the lever arm are directly related.

C) Increasing the distance between the knob and the hinge reduces the acceleration produced when opening the door, which is advantageous for general safety concerns.

D) There is no physical explanation to justify this choice, and it is likely an historical artifact.

 

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MCAT Organic Question — Hormone

November 26, 2014

Which of the following molecules is a hormone capable of creating physiological and anatomical changes during adolesence which will last a person’s entire life?

 

A)
hormone-a

B)
hormone-b

C)
hormone-c

D)
hormone-d

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Which MCAT Will You Need?

November 25, 2014

The MCAT is changing in 2015, everyone knows that.  But which version of the test will you need?  The answer is that it depends on when, and where, you are applying!  The AAMC recently released a document summarizing the results of a questionnaire they sent to 141 US medical schools. We wanted to summarize the data a bit to help give you an overview of which test you are likely to need based on when you when are applying.

We hope you find the graphic helpful. Remember to review the AAMC document to see what policies are in place at the programs you are interested in. If you are interested in learning more about how we can help you prepare for the new MCAT click here.

MCAT Biology Question — Enzyme Function

November 25, 2014

Each of the following correctly describes an aspect of enzyme function EXCEPT:

 

  1. An enzyme will increase the rate at which a reaction will reach equilibrium by lowering the activation energy needed to convert reactants to products.
  2. Enyzmes function best in the presence of a large concentration of substrate and across a wide range of pH and temperature values.
  3. Those enzymes which work in the stomach function best at an acidic pH.
  4. If placed in a solution with no reactants but all products (of a simple one-step reaction mechanism) the enzyme will catalyze the reverse reaction and form reactants.

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MCAT Chemistry Question — Temperature

November 24, 2014

Which of the following processes occur at the same temperature?

 

I. Boiling

II. Condensation

III. Sublimation

IV. Evaporation

 

A) I and IV only

B) I and II only

C) II and III only

D) I, II, and IV only

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MCAT 2015 Time Limits

November 21, 2014

While having an in depth understanding of the content tested by the new MCAT will be vital to your success on test day, there is something else you need to worry about.  Timing.  The MCAT tests your ability to solve problems, and solve them quickly, just as much as it tests your knowledge of organic chemistry and physics.

So just how much time will you have?  Lets take a look:

Critical Analysis and Reasoning

Number of Questions: 53

Section Time: 90 minutes

Minutes per Passage: 10

Minutes per Question: A little over 1.5 minutes

 

Psychological, Sociological, and Biological Foundations of Behavior

Number of Questions:

Section Time: 95 minutes

Minutes per Passage: 8 minutes

Minutes per Question: About 1.5 minutes

 

Biological Sciences

Number of Questions:

Section Time: 95 minutes

Minutes per Passage: 8 minutes

Minutes per Question: About 1.5 minutes

 

Physical Sciences

Number of Questions:

Section Time: 95 minutes

Minutes per Passage: 8 minutes

Minutes per Question: About 1.5 minutes

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MCAT Biology Question — Endospores

November 21, 2014

A patient develops an infection in his brain. The pathogen slowly spreads by forming endospores which disseminate through the cerebrospinal fluid. If the patient is examined later, which of the following spaces may be found to contain endospores:

 

I. The ventricles of the brain
II. The sympathetic chain ganglia
III. The spinal canal

 

A) I only
B) I and II only
C) I and III only
D) I, II, and III

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MCAT Physics Question — Swing

November 20, 2014

A child pushes, with F1, his sister on a swing, generating torque, τ1 which causes her to swing forward. If he then gets in a swing that hangs on a chain that is 20% shorter and his sister pushes with a force, F2, that is directed at a 30º angle to the swing, what is the relationship between F1 and F2 if they generate the same torque?

 

A) F1 = F2

B) 2.5 F1 = F2

C) F1 = 2.5 F2

D) 2 F1 = F2

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MCAT Chemistry Question — Titrant

November 19, 2014

The endpoint of a titration can be calculated requires that which of the following factors are known:

 

I. The moles of titrant added to solution

II. The molarity of titrant added to solution

III. The temperature of the titrant

 

A) I only

B) II only

C) I and II only

D) I, II, and III

 

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MCAT 2015 Webinar with Accepted.com

November 18, 2014

Whether you had the chance to join us for the MCAT webinar on November 18 or you had to miss it, you can catch up with the slides below.

Next Step Test Preparation provides one-on-one MCAT tutoring programs nationwide.