TLS Online TPP Program

#Question id: 57


A(n) ________ has charge but negligible mass, whereas a(n) ________ has mass but no charge.

#Introduction to Biochemistry
  1. proton; neutron

  2. neutron; proton

  3. neutron; electron

  4. electron; neutron

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TLS Online TPP Program

#Question id: 40

#Introduction to Biochemistry

Given that the standard free-energy change for the reaction glucose + Pi → glucose 6-phosphate is 13.8 kJ/mol, and the standard free-energy change for the reaction ATP → ADP + Pi is −30.5 kJ/mol, what is the free-energy change for the reaction glucose + ATP → glucose 6-phosphate + ADP?

TLS Online TPP Program

#Question id: 68

#Bioorganic Chemistry and Metabolites

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

TLS Online TPP Program

#Question id: 71

#Bioorganic Chemistry and Metabolites

Which of the following is not the priority rule for R, S Configuration?

TLS Online TPP Program

#Question id: 27068

#Bioorganic Chemistry and Metabolites

Isoleucine and Threonine have two chiral carbons so exists in multiple RS configuration, choose the correct option regarding the given fig.
1. a is D-threonine is (2S, 3S) threonine
2. b is L-threonine is (2R,3S) threonine
3. a is L-threonine is (2S, 3R) threonine
4. b is D-threonine is (2R,3S) threonine

TLS Online TPP Program

#Question id: 48

#Bioorganic Chemistry and Metabolites

Which of the following statements regarding enantiomers true?