STEMSA MCAT Jeopardy

Biology

100

The major constituent of blood plasma is: A) Protein B) NaCl C) Water D) Cholesterol

C) Water

200

The DNA doubles and chromosomes replicate during which phase of the cell cycle? A) G1 B) Metaphase C) S period of interphase D) G2

C) S period of interphase

300

A basic packing unit of a chromosome is the: A) centromere B) nucleosome C) nucleotide D) histone

D) histone

400

The attachment site for RNA polymerase on the DNA template is called the: A) Promoter B) Regulator C) Operon D) Repressor

A) Promoter

500

If an enzyme is added to a solution where its substrate and product are in equilibrium what would occur? A) Additional product would be formed B) Additional substrate would be formed C) The reaction would change from endorgonic to exorgonic D) The free energy of the system would change E) Nothing; the reaction would stay at equilibrium

E) Nothing; the reaction would stay at equilibrium

Chemistry

100

What is the electron configuration of chloride? A. 1s2 2s2 2p6 3s2 3p5 B. 1s2 2s2 2p6 3s2 3p6 C. 1s2 2s2 2p6 3s2 3p6 4s1 D. 1s2 2s2 2p6 3s2 3p5 3d1

B. 1s2 2s2 2p6 3s2 3p6

200

A solution is prepared with 25 g of NaCl with 500 mL of water. The molar mass of sodium and chlorine is 22.89 g and 35.45 g respectively. The molarity of the solution is: A) 0.37 M B) 0.52 M C) 0.86 M D) 0.98 M

C) 0.86

300

Assuming an initial concentraion of radon gas inside a house, what fraction of the initial concentration will remain in the house after FOUR half lifes? *HINT: Half life is the amount of time for an amount of a sample to decay to half its initial mass. A) 0.94 B) 0.5 C) 0.125 D) 0.06

D) 0.06

400

The reaction of chlorine gas and sodium metal also produce light. How is the light produced? 2Na(s) + Cl2(g) --> 2NaCl(s) A) The electrons absorb heat energy and release it as light B) Light is emitted when the electrons become gaseous. C) Light is emitted when the metal atom becomes gaseous. D) Light is emitted when the chlorine becomes atomic.

A) The electrons absorb heat energy and release it as light

500

The volume of 4.0 M sulfuric acid required to prepare 600 mL of 0.5 M sulfuric acid is: A) 30 mL B) 45 mL C) 60 mL D) 75 mL

D) 75 mL

Physics

100

A 5-kg stone dropped from a height of 25.0 m reaches a velocity of 22 m/s as it strikes the ground. The final speed of a 10 kg stone dropped from 25.0 m will be: A) 10.0 m/s B) 17.25 m/s C) 22 m/s D) 44 m/s

C) 22 m/s

200

As a car comes to a stop, kinetic energy of the car is dissipated into thermal energy as a result of which of the following forces?' A) Friction B) Normal C) Weight D) Tension

A) Friction

300

A 70 kg man lifts a 12 kg package from the floor to a table 1.2 m high in 1.4 s. The power done by the man lifting the box is : *HINT: P=W/t A) 10.3 W B) 50.4 W C) 100.8 W D) 201.6 W

C) 100.8 W

400

An object of mass 3 kg is placed on one end of a vertical spring attached at the other end to a secured surface. When released the spring streches 4.0 cm from equilibrium. The spring constant k of the spring is? ** Hooke's Law: F=-kx A) 28 N/m B) 74 N/m C) 125 N/m D) 735 N/m

D) 735 N/m

500

A kicked soccer ball of mass 0.50 kg has a momentum of 18.5 kg m/s. The velocity of the soccer ball is: A) 3.5 m/s B) 9.3 m/s C) 37 m/s D) 46.7 m/s

C) 37 m/s