TLS Online TPP Program

#Question id: 4126


Which one of the following is true about the genetic code?

#Section 3: Genetics, Cellular and Molecular Biology
  1. All codons recognized by a given tRNA encode different amino acids.

  2. It is absolutely identical in all living things.

  3. Several different codons may encode the same amino acid.

  4. The base in the middle position of the tRNA anticodon sometimes permits โ€œwobbleโ€ base pairing with 2 or 3 different codons.

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TLS Online TPP Program

#Question id: 28104

#Section 5: Bioprocess Engineering and Process Biotechnology

For an endothermic reversible reaction, the equilibrium constant ______ with the decrease in temperature.

TLS Online TPP Program

#Question id: 28105

#Section 5: Bioprocess Engineering and Process Biotechnology

At 2000 K, one chemical reaction has ใ€–โˆ†๐‘ฎใ€—^ยฐ  = 6.12 kJ/mol. What is Keq for this reaction at the same temperature?

TLS Online TPP Program

#Question id: 28106

#Section 5: Bioprocess Engineering and Process Biotechnology

In case of a chemical reaction, if ใ€–โˆ†๐‘ฎใ€—^ยฐ>๐ŸŽ, then Keq is

TLS Online TPP Program

#Question id: 28107

#Section 5: Bioprocess Engineering and Process Biotechnology

If the equilibrium constant for a chemical reaction at 20ยฐ C is 20, the standard free energy change associated with the reaction will be (R=1.98 cal/mol/K):

TLS Online TPP Program

#Question id: 28108

#Section 5: Bioprocess Engineering and Process Biotechnology

Consider the following reversible reaction. In a 3.00 liter container, the following  amounts are found in equilibrium at 400 oC: 0.0420 mole N2, 0.516 mole H2 and 0.0357 mole NH3. Evaluate Keq.

N2(g) + 3H2(g) โ†” 2NH3(g)

TLS Online TPP Program

#Question id: 28109

#Section 5: Bioprocess Engineering and Process Biotechnology

If the equilibrium constant for the reaction
A + 2B โ†” C + 5/2 D
has a value of 4.0, what is the value of the equilibrium constant for the reaction
2C + 5D โ†” 2A + 4B
at the same temperature?