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MDCAT Question Bank

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1009 available questions

Biology · Question 231

Phosphatidylserine residues in the plasma membrane are located at?

  1. The outer leaflet of the plasma membrane
  2. Inner leaflet of the plasma membrane
  3. Evenly distributed in the inner and outer leaflet
  4. none of these
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Correct answer: B

Inner leaflet of the plasma membrane

Biology · Question 232

Out of 31 pairs of spinal nerves, how many pairs of thoracic nerves are there?

  1. 8
  2. 10
  3. 12
  4. 15
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Correct answer: A

8

Biology · Question 233

Most of the coenzymes are the derivatives of;

  1. Lipid
  2. Minerals
  3. Steroids
  4. Waxes
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Correct answer: B

Minerals

Biology · Question 234

A hemoglobin molecule consists of Amino acids:

  1. 874
  2. 474
  3. 674
  4. 574
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Correct answer: D

574

Biology · Question 235

Those nerves that originate from or lead to the brain are called cerebral nerves. There are pairs of cerebral nerves in human.

  1. 6
  2. 6.12
  3. 14
  4. 31
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Correct answer: B

6.12

Biology · Question 236

What of tenetic transfer was displayed in the Frederick Griffith experiment?

  1. transduction
  2. transformation
  3. binary fission
  4. conjugation
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Correct answer: B

transformation

Biology · Question 237

The joints present in the elbow and knee are the example of which type of joint?

  1. Immovable joint
  2. Slightly movable join
  3. Hinge joint
  4. Ball and socket joint
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Correct answer: C

Hinge joint

Biology · Question 238

The average adult human has a lung capacity of approximately;

  1. 2 liters
  2. 5 liters
  3. 9 liters
  4. 12 liters
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Correct answer: B

5 liters

Biology · Question 239

Koshland in 1959 proposed the modified form of which of the following?

  1. Unit membrane model
  2. Fluid mosaic model
  3. Reflective index model
  4. Induced fit model
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Correct answer: D

Induced fit model

Biology · Question 240

When resources gets scare, the population growth?

  1. becomes fast
  2. slows down
  3. reamin same
  4. none of these
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Correct answer: B

slows down