The "words" that make up the genetic code contain how many letters?
A) 4
B) 20
C) 5
D) 3
D
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Stephanie dips a glass rod into vegetable oil. The submerged part of the rod can't be seen because
A) refraction is unbent before light gets to your eye. B) both the oil and glass have the same index of refraction. C) of internal reflection. D) light has different speeds in the oil and glass.
When a current of 2.0 A flows in the 100-turn primary of an ideal transformer, this causes 14 A to flow in the secondary. How many turns are in the secondary?
A) 4 B) 114 C) 356 D) 700 E) 14
Using the psychrometric chart Appendix Chart C-1, determine the vapor pressure of water in air at 80ºF, 40% relative humidity. Also determine the humidity ratio, the enthalpy, the dew point temperature and the wet bulb temperature.
What will be an ideal response?
What is the root mean squared velocity of the nitrogen molecules in one mole of an ideal gas at a pressure of 1.50 atmospheres and a temperature of 20
? 
A. 310 m/s B. 367 m/s C. 425 m/s D. 511 m/s E. 525 m/s