Biology
What molecule carries genetic information in most living things?
DNA
What kind of reaction occurs between fluorine and sodium bromide?
Single replacement
An object falls off a 980-meter tall building and falls to the ground in free-fall. How long does it take to reach the ground? (Assume g = 10m/s2)
14 seconds
What organ contains the colon?
Large intestine
What is the common name of the star Polaris?
North Star/Pole Star
What structures cover the rough endoplasmic reticulum, giving it its rough appearance?
Steel has a specific heat of 490 J/kg*°C . How many megajoules does it take to heat up 140 kg of steel from 56°C to 93°C? (Round to 3 sig figs)
2.54 megajoules
A ball travels at an initial speed of 15m/s. It accelerates at 8 m/s2 in the same direction for a distance of 4m. What is its final speed?
17 m/s
What is the term for when a heterozygote displays a blend of the two homozygous phenotypes?
(Ex: a red flower and a white flower produce a pink flower)
Incomplete dominance
What is the name of the galaxy closest to the Milky Way?
Andromeda
In Mendelian genetics, what type of allele is only expressed when two copies are present?
Recessive
4 moles of sodium sulfate (Na2SO4) is reacted with 16 moles of strontium chloride (SrCl2). 379.88 grams of sodium chloride is produced. What is the percent yield (3 sig figs)? (Molar mass of Na is 22.99g and molar mass of Cl is 35.45g)
81.3%
A satellite travels 82,000 kilometers in 2 hours at a constant speed. It has a mass of 484 kg. What is its translational kinetic energy? (3 sig figs)
3.14 * 1010 joules
In which part of a nuclear power plant is the fuel located?
Core
What is the process of adding a halogen to a benzene ring with an Iron(III) halogen catalyst?
Halogenization
What process during meiosis increases genetic diversity by exchanging segments between homologous chromosomes?
Crossing over
72.92 grams of hydrogen chloride are dissolved in 40 liters of water. What is the pH of the solution? (Molar mass of hydrogen is 1.008g and molar mass of chlorine is 35.453g) (Round to 3 sig figs)
1.30
What is the rotational energy of a solid cylinder with a radius of 2.5m, a mass of 1.5kg, and an angular velocity of 5 rad/s? (to the closest joule)
59 joules
What is the anatomical position for the anterior side of the hand?
Palmar side/surface
What is a racemic mixture?
50:50 mixture of two enantiomers of a chiral molecule
What is the name of the process by which ATP is synthesized as protons flow back into the mitochondrial matrix through ATP synthase?
Chemiosmosis
You add 0.2 grams of solid NaOH to a 50mL beaker of water, not changing its volume. How much 0.450M hydrochloric acid do you need to add to neutralize the solution? (3 sig figs) (Molar mass of Na is 22.99g, molar mass of O is 15.999g, and molar mass of H is 1.008g)
11.1 mL
There is a positive charge centered in a cube, and the electric flux through one side of the cube is 6.13 * 1010 N*m2/C. What is the magnitude of the charge in Coulombs? (The electric constant is 8.85 * 10-12) (3 sig figs)
3.26 coulombs
Which type of coal has the lowest energy content?
Lignite/Brown Coal
What type of star is the largest?
Red Supergiant/Hypergiant