MS Sample Set 12, Round 7 from NSB
What event occurs when the Earth passes through the orbital path of a comet?
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What type of stellar remnant, such as the Ring Nebula, is formed when a red giant expels its outer layers of gas?
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Plants and bacteria possess what component that provides structural support to the plasma membrane?
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The duodenum is a region of what organ?
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A car travels 250 miles in 8 hours. To the nearest mile per hour, over the eight-hour period, what is the average speed of the car?
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Assuming that the following numbers represent measurements, and giving your answer with the correct number of significant figures, simplify the following expression: 2.6 + 0.53 + 0.025.
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Scientists at the National Renewable Energy Laboratory will test small, energy dense inverters for the Little Box Challenge. These devices convert direct current power produced by solar panels to what type of current that can be used in homes and businesses?
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Scientists are using the Advanced Photon Source to study the structure of cellulose, a polymer composed of what monomer?
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What is the term for the process in which matter changes state from a gas to a liquid?
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Identify all of the following three statements that are true of energy: 1) Kinetic energy depends on speed; 2) Objects must be moving to have energy; 3) Thermal energy depends on temperature.
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What compositional layer of the Earth is the thinnest?
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Identify all of the following three fossils for which Carbon-14 dating would be useful: 1) Jurassic amber-trapped insect; 2) Cambrian shale with trilobite fossil; 3) Paleogene coral.
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Give one of the linear factors of $$x^2 + 4x - 21$$.
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If an 8-by-11 rectangle has its linear dimensions increased by 50%, what is the area of the new larger rectangle?
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Bases, when dissolved in water, have a pH value above what number?
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How many carbon atoms are present in one molecule of isopropyl alcohol?
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Scientists at Argonne National Lab are studying green rust as a potential stabilizing element for radionuclides. What is the major metal center in green rust?
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Cancer researchers at SLAC are studying the interaction of the peripheral protein Axl with serum protein Gas6, which signals to the cancer cell to break free of the original neoplasm and seed new tumors. What is the term for this process of migration and clonal expansion?
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What is the name of the bright red supergiant in the constellation Orion?
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Telescope A has a diameter of 36 centimeters, while telescope B has a diameter of 4 centimeters. What is the ratio of the light-gathering power of telescope A to that of telescope B?
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The conversion of glucose to carbon dioxide and water is an example of what type of reaction? W) Condensation X) Esterification Y) Anabolic Z) Catabolic
W: W) Condensation
X: X) Esterification
Y: Y) Anabolic
Z: Z) Catabolic
Answer: Z) Z) Catabolic
What type of mimicry is demonstrated by the monarch and viceroy butterflies, which are both poisonous and look similar?
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In a plane containing segment AB, a square is to be constructed that has segment AB as one of its diagonals. How many different segments could possibly be the second diagonal of this square? W) 1 X) 2 Y) 4 Z) An infinite number
W: W) 1
X: X) 2
Y: Y) 4
Z: Z) An infinite number
Answer: W) W) 1
What is the surface area of a closed circular cylindrical pipe 10 feet long with diameter 4 feet?
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Which of the following energy sources used in power plants contributes the least to the plants’ carbon dioxide emissions? W) Natural gas X) Oil Y) Biofuel Z) Wind
W: W) Natural gas
X: X) Oil
Y: Y) Biofuel
Z: Z) Wind
Answer: Z) Z) Wind
Researchers at Brookhaven National Lab have discovered that KIN10, a protein kinase, is responsible for controlling sugar homeostasis in plants and oil production. What functional group does KIN10 add to proteins?
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What type of reproduction involves a single parent creating offspring that have the exact same genetic information as the parent?
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Skin cells can be classified as a part of which of the four general classes of tissue?
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Which of the following is an example of an amorphous solid? W) Sugar X) Snow Y) Diamond Z) Glass
W: W) Sugar
X: X) Snow
Y: Y) Diamond
Z: Z) Glass
Answer: Z) Z) Glass
A student fills a balloon with air and ties it off. Identify all of the following three changes that would result in the balloon getting larger: 1) Decreasing the temperature of the balloon; 2) Submerging the balloon one meter underwater; 3) Taking the balloon to a higher altitude.
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In which quadrant does the point (–3, 8) lie?
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To the nearest whole number, what is the length of the hypotenuse in a right triangle with legs of length 16 and 11?
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Gas exchange in human lungs primarily occurs between a network of capillaries and what structures with increased surface area? W) Tracheae X) Bronchi Y) Bronchioles Z) Alveoli
W: W) Tracheae
X: X) Bronchi
Y: Y) Bronchioles
Z: Z) Alveoli
Answer: Z) Z) Alveoli
Place the following three stages of mitosis in chronological order, starting at the end of G2: 1) Metaphase; 2) Prophase; 3) Telophase.
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Smog-related ozone, which can cause respiratory harm and damage crops, is found in what layer of the atmosphere?
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What are the two most abundant ions in seawater?
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Evaluate the quotient 5/3 divided by 1/9.
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Given the 3-4-5 right triangle with angle A opposite the side of length 3, what is sine A + cosine A + tangent A?
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N-butane and isobutane are different compounds with the same molecular formula. What is the term for compounds with the same molecular formula but different structures?
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Alkali metals like sodium give up electrons when forming ionic bonds. In these ionic compounds, what is their typical oxidation number? W) Negative 1 X) Zero Y) Positive 1 Z) Positive 2
W: W) Negative 1
X: X) Zero
Y: Y) Positive 1
Z: Z) Positive 2
Answer: Y) Y) Positive 1
What type of glaciers form in high, mountainous areas and often occupy inlets in the mountains?
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What type of sand dunes are characterized by their crescent shapes and occurrence in areas with constant wind direction?
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At what vessel level does gas exchange occur between the blood and organs?
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What amino acid is responsible for disulfide bonds, which are important to protein structure?
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What physical quantity describes the change in velocity over time?
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Identify all of the following three quantities that are vector quantities: 1) Mass; 2) Weight; 3) Velocity.
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