Biology
The three-dimensional or folded shape of a protein is what hierarchical structure level?
Tertiary
What letter designates the lowest energy subshell in any shell?
s
When a girl wearing roller blades throws a ball in front of her, she slides backwards. Her movement is an illustration of which of Newton’s Laws of Motion?
Newton’s third law of motion
The lack of transmission of earthquake S-waves through what layer of the Earth is evidence that it is liquid? W) Mantle X) Outer core Y) Inner core Z) Lithosphere
X) Outer core
Given a standard deck of 52 cards, what is the probability, expressed as a fraction in lowest terms, that the first card dealt is a heart?
1/4
Bananas, citrus fruits, and daylilies are all examples of plants that have more than two sets of chromosomes. What is the term for this phenomenon?
Polyploidy
According to the second law of thermodynamics, what effect does a spontaneous reaction have on the entropy of the universe?
increases the entropy of the universe
What current, in amperes, is carried in a lightning stroke that lasts 0.5 seconds and transfers 100 coulombs of charge?
200
Mammals first evolved during what geologic period?
Triassic
What is the circumference of the circle with equation (x+3)2+(y-5)2=25
10pi
In prokaryotic DNA replication, what enzyme is responsible for unwinding the DNA double helix?
Helicase
Which of the following is the term for the mixing of atomic orbitals to explain covalent bonds?
hybridization
What is the MOST common term for the type of energy that is most directly related to the energy of atoms, molecules and other small particles that are in random motion within a system?
Thermal energy
Which of the following is the most abundant mineral group found in the Earth's crust?
Silicates
In a room of 12 people, two meet for a handshake. How many different such meetings could take place?
66
What type of muscle is found in the intestinal wall?
Smooth muscle
Rank the following four gases in order of increasing effusion rates: 1) Argon, 2) Helium, 3) Oxygen, 4) Chlorine.
4, 1, 3, 2
What principle in physics states that pressure changes on an incompressible, enclosed, static fluid are evenly distributed?
Pascal's Law
What is the name for the great circle that passes through the northernmost point on the horizon and the zenith?
Meridian
What is the general solution to the differential equation: dy/dx = 2x + 1?
y= x2+x+c
By name or number, identify all of the following four plants that are C4 plants: 1) corn, 2) rice, 3) soybeans, 4) wheat.
1) corn
By name or number, list all of the following five substances that are NOT Newtonian fluids: 1) gasoline, 2) yogurt, 3) water, 4) blood, 5) ketchup.
2) Yogurt, 4) blood, and 3) ketchup
A pilot in training is placed into a human centrifuge where she will experience 5 g of force pulling her inward, the acceleration at which most people will begin to lose consciousness. Given g as 10 meters per second squared, if the centrifuge has a mechanical arm that holds her at a radius of 8 meters, how fast will the pilot be traveling in meters per second?
20 m/s
What is the word used to describe pebbles in a river that are overlapping and dip in the upstream direction?
Imbrication
One dimension of a cube is increased by 1, another is decreased by 1, and the other is left unchanged. If the new solid has a volume 5 less than that of the original cube, what was the volume of the original cube?
125