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TLS Online TPP Program

#Question id: 933

Industrially, nitrogen for use in fertilizers is converted to ammonia by ________.

#Biochemistry

  1. a simple, energy efficient reaction of N2 with water

  2. a cryogenic (very low temperature) process between N2 and H2

  3. special catalysts which drive the reduction of N2 by H2

  4. a reaction between nitric acid and hydrogen gas

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TLS Online TPP Program

#Question id: 31

#Biochemistry

Which of the following is the pair of enantiomers from the following substance? 
TLS Online TPP Program

#Question id: 32

#Biochemistry

 Humans maintain a nearly constant level of hemoglobin by continually synthesizing and degrading it. This is an example of a(n):
TLS Online TPP Program

#Question id: 33

#Biochemistry

Use the following figure to answer the question. The figure shows the structures of glucose and fructose. These two molecules differ in the
TLS Online TPP Program

#Question id: 34

#Biochemistry

Which of the following is true of any (S)-enantiomer?
TLS Online TPP Program

#Question id: 35

#Biochemistry

Arrange the following molecular components of an E. coli cell in terms of their percentage of total weight cell.
TLS Online TPP Program

#Question id: 36

#Biochemistry

Which of the following is/are the S-enantiomer of alanine?