Biology
In what organelle does the citric acid cycle occur?
Mitochondria
What type of process occurs without heat entering or leaving the system?
Adiabatic
A pencil sitting in a glass of water appears bent because light bends as it passes from water to the surrounding air and vice versa. This is an example of what process?
A) Reflection
B) Refraction
C) Diffraction
D) Absorption
B) Refraction
The dynamo effect enables Earth's core to generate what?
A) Electric field
B) Mantle convection
C) Magnetic field
D) Radioactive elements
C) Magnetic field
How many ways are there to get exactly 25 heads results from 26 consecutive fair coin tosses?
26
What part of the brain is responsible for muscle coordination and is involved with muscle memory?
Cerebellum
What is the common name of the chemical NH3?
Ammonia
An electron is emitted by an atomic nucleus in the process of:
A) Alpha decay
B) Beta decay
C) Nuclear fission
D) Nuclear fusion
B) Beta decay
What devices are used to measure humidity?
Hygrometers / Psychrometers
What is the absolute value of the difference between the sum of the first 2014 even counting numbers and the first 2014 odd counting numbers?
2014
Which one of the following 4 animal groups is LEAST closely related to the others:
brachiopods; gastropods; cephalopods; bivalves
Brachiopods
Organic compounds that contain double bonds are said to be:
A) saturated
B) unsaturated
C) unable to undergo cis-trans isomerization
D) unable to undergo addition reactions
B) Unsaturated
What is the resulting electrical potential, in volts, when a charge of 12 coulombs is applied to a 1 farad capacitor?
12
12) EARTH SCIENCE Multiple Choice Which of the following is NOT true about Earth’s history:
A) the Ordovician Period predates the Silurian Period
B) we currently live in the Cenozoic Era
C) we currently live in the Pleistocene Epoch
D) the Holocene Epoch began about 10,000 years ago
C) We currently live in the pleistocene epoch
A set of three positive consecutive integers has a product 33 times their sum. What is the largest element in the set?
11
Beriberi is caused by deficiency in which of the following vitamins?
A) Thiamine
B) Retinol
C) Ascorbic Acid
D) Cobalamin
A) Thiamine
According to the Arrhenius theory, an Arrhenius acid is any substance that does which of the following in a chemical reaction:
A) donates a pair of electrons
B) accepts a pair of electrons
C) produces H+ ions in aqueous solution
D) produces OH– ions in aqueous solution
C) Produces H+ ions in aqueous solution
Which of the following is the strongest spectral line in the visible region of the hydrogen spectrum:
A) red Balmer line
B) orange Lyman line
C) green Paschen line
D) blue Brackett line
A) Red Balmer Line
19) EARTH SCIENCE Multiple Choice The time interval between the generation of P and S waves from its arrival at a seismometer is BEST translated as:
A) the magnitude of the earthquake
B) the distance to the epicenter
C) the wave height of a potential tsunami
D) the distance to the nearest fault zone
B) The distance to the epicenter
If y is a function of x such that dy/dx = x/y and y(3) = 4, then which of the following equations is true?
A) x^2 + y^2 = 25
B) y – x = 1
C) y^2 – x^2 = 49
D) y^2 – x^2 = 7
D) y^2 – x^2 = 7
You are conducting an experiment that involves incubating a heat-insensitive enzyme with its substrate, while slowly increasing the temperature of the test tube. The concentration of the substrate is much higher than the concentration of the enzyme. Can you use the Michaelis-Menten equation to model the enzyme kinetics of this reaction, and why or why not?
A) Yes, because the conditions are changing
B) No, because the conditions are changing
C) Yes, because the enzyme activity remains unchanged
D) No, because the enzyme activity remains unchanged
B) No, because the conditions are changing
The electrolysis of water is endothermic, requiring 286 kilojoules of energy to decompose one mole of water at 25°C. Given that the enthalpy of formation of hydrogen peroxide is -136 kilojoules per mole, what is the standard enthalpy in kilojoules for the decomposition of one mole of hydrogen peroxide into water and oxygen?
-150
A light ray passes from air (n = 1.00) to the cornea (n = 1.33) of the eye. If the angle of incidence is 30°, which of the following is true of the angle of refraction?
A) Less than 30°
B) Equal to 30°
C) Between 30° and 45°
D) Equal to 45°
A) Less than 30°
Which of the following best describes the accretion properties of the supermassive black hole at the center of the Milky Way?
A) Not accreting a detectable amount of matter
B) Accreting an unusually small amount of matter
C) Accreting an average amount of matter
D) Accreting an unusually large amount of matter
B) Accreting an unusually small amount of matter
Which of the following best describes the system of linear equations: y – 2x = - 2, y + x = 4?
W) Consistent, Dependent
X) Consistent, Independent
Y) Inconsistent, Dependent
Z) Inconsistent, Independent
Terminology: consistent means there is at least one solution, inconsistent means there is no solution, independent means there is only 1 solution, dependent means the number of solutions is not 1 (could be zero or infinite)
B) Consistent, Independent