Biology
Human epidermis is mostly composed of which of the following basic animal tissues types: W) epithelial X) connective Y) nervous Z) muscle
Epithelial, W
What general type of bonding is found in molecules in which electrons are shared by nuclei?
Covalent
Although not known as such at the time, what was the first form of spectacular electric discharge seen by humans?
Lightning
What term is used to describe the point on the surface, below which an earthquake originates?
Epicenter
What is the smallest possible sum of a positive number and its reciprocal?
2
Which of the following is NOT a direct adaptation for flight in birds? W) Air sacs X) Large surface area on sternum Y) Hollow bones Z) Fused hand bones
W) air sacs
Which of the following is the characteristic feature of a metallic crystal? W) The metallic bond is directional X) The positive ion is free to move Y) The bonding forces are weak Z) The valence electrons are only loosely held and can move to neighboring atoms
Z) The valence electrons are only loosely held and can move to neighboring atoms
The escape velocity for a 100 kilogram object to leave planet Earth is approximately 11,000 meters per second. Which of the following is the escape velocity in meters per second for a 200 kilogram object to leave Earth? W) 5,500 X) 11,000 Y) 16,500 Z) 22,000
X, 11,000
Which of the following is another term for the euphotic [yoo-FOH-tik] zone of the ocean? W) Dark side X) Sunlit zone Y) Twilight zone Z) Abyssal plain
X, sunlit zone
How many prime numbers less than 50 have a 3 as the units digit?
4
What protein is often found in the red muscles of fish that are strong swimmers?
Myoglobin
Which of the following is an example of a disaccharide [dySAK-uh-ryd]? W) Glucose X) Sucrose Y) Cellulose Z) Glycogen [GLY-kuh-juhn]
X, sucrose
A proton enters a uniform magnetic field that is oriented perpendicular to the motion of the proton. Which of the following will NOT affect the radius of the circular path in which the proton moves? W) The velocity of the proton X) The magnitude of the magnetic field Y) The momentum of the proton Z) The position of the proton in the magnetic field
Z) The position of the proton in the magnetic field
Which of the following cities is on the North American tectonic plate? W) Los Angeles X) San Diego Y) San Francisco Z) Santa Cruz
Y, San Fransisco
The length of each edge of a cube is decreased by 40%. To the nearest ten percent, by what percent does the volume of the cube decrease?
80%
Which of the following types of lipid modification connects proteins to cytosolic membrane surfaces and is reversible? W) Palmitoylation [pal-mi-toi-LAY-shuhn] X) Prenylation [pre-NIL-ay-shuhn]
Y) Myristoylation [may-ruh-stoi-LAY-shuhn]
Z) Acylation [as-uh-LAY-shuhn]
W) Palmitoylation
How many milliliters of 0.1 molar sulfuric acid must be titrated with 20 milliliters of 0.5 molar sodium hydroxide in order reach the equivalence point?
50
A long wire carrying a 3 ampere current is placed in a magnetic field of 1 tesla so that a straight 2 meter segment of the wire makes an angle of 30° with the field direction. What is the magnitude of the force in newtons on the wire segment?
3
What is the name of the metamorphic rock that is dominantly composed of hornblende?
Amphibolite
What is the radian equivalent of 96⁰? W) 2𝜋/15
X) 4𝜋/15
Y) 8𝜋/15
Z) 23𝜋/15
Y) 8𝜋/15
Which of the following organisms is NOT matched to its anatomical structure for excreting salt? W) Fish and gill X) Shark and rectal gland Y) Whale and ocular salt gland Z) Seabird and nostril salt gland
Y) Whale and ocular salt gland
Which of the following is the energy in joules of a photon with a frequency of 1.00 x 106 gigahertz? W) 6.63 x 10-19
X) 6.63 x 10-28
Y) 6.63 x 10-34
Z) 6.63 x 10-49
W) 6.63 x 10-19
A charge of +1 nanocoulombs is placed at the origin, and a charge of +4 nanocoulombs is placed 10 centimeters away. Providing your answer in centimeters to the nearest tenth, at what distance from the origin is the electric field zero?
3.3
Upon which of the following is the Southern Oscillation Index based? W) The observed sea level pressure difference between Darwin and Tahiti X) The sea surface temperature between Darwin and Tahiti Y) The ozone levels at Toronto and Montreal Z) The amount of conduction at the equator
W) The observed sea level pressure difference between Darwin and Tahiti
If six geese in a gaggle produce 66 eggs in 6,666 days, what is the average number of days it takes a single goose to lay an egg?
606