TLS Online TPP Program

#Question id: 47


If 30 J of energy is added to water in the form of heat at 27°C, what is the change in entropy of water?

#Section C (Domain-Specific Knowledge)
  1. 2.5 J/K

  2. 9.5 J/K

  3. 0.45 J/K

  4. 0.100 J/K

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TLS Online TPP Program

#Question id: 63

#Section C (Domain-Specific Knowledge)

The two molecules shown in the figures are best described as ________.

TLS Online TPP Program

#Question id: 64

#Section C (Domain-Specific Knowledge)

Testosterone and estradiol are male and female sex hormones, respectively, in many vertebrates. In what way(s) do these molecules differ from each other? Testosterone and estradiol ________.

TLS Online TPP Program

#Question id: 65

#Section C (Domain-Specific Knowledge)

Identify which of the following pair is enantiomers, diastereomers or meso compounds.

TLS Online TPP Program

#Question id: 66

#Section C (Domain-Specific Knowledge)

Which of the following statements regarding isomerism is incorrect regarding biomolecules?

TLS Online TPP Program

#Question id: 67

#Section C (Domain-Specific Knowledge)

When a region of DNA must be repaired by removing and replacing some of the nucleotides, what ensures that the new nucleotides are in the correct sequence?

TLS Online TPP Program

#Question id: 68

#Section C (Domain-Specific Knowledge)

Match the following functional groups given in column I with their respective representatives given in column II.

COLUMN I               COLUMN II

1. Anhydride               a. RCOOR

2. Ether                       b. ROCOCH3

3. Acetyl                     c. ROR

4. Amido                     d. RCOOCOR

5. Ester                        e. RCONH2