TLS Online TPP Program

#Question id: 32262


What is the consequence of introducing charged amino acids into the hydrophobic core of an ER signal sequence?

#Unit 2. Cellular Organization
  1. The modified protein remains in the cytosol
  2. The modified protein reaches in the ER lumen
  3. The modified protein reaches in the golgi
  4. The modified protein remains in the nucleus
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TLS Online TPP Program

#Question id: 444

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is not a factor contributing to the large free energy of hydrolysis of ATP?

TLS Online TPP Program

#Question id: 445

#Unit 1. Molecules and their Interaction Relevant to Biology

In order for a reaction to proceed spontaneously from left to right as written

TLS Online TPP Program

#Question id: 446

#Unit 1. Molecules and their Interaction Relevant to Biology

Which statement is false about ATP?

TLS Online TPP Program

#Question id: 447

#Unit 1. Molecules and their Interaction Relevant to Biology

In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions encountered in a normal cell will the free-energy change (DG) be negative, enabling the reaction to proceed spontaneously to the right?

TLS Online TPP Program

#Question id: 448

#Unit 1. Molecules and their Interaction Relevant to Biology

During glycolysis, glucose 1-phosphate is converted to fructose 6-phosphate in two successive reactions: Glucose 1-phosphate -> glucose 6-phosphate DG'° = –7.1 kJ/mol Glucose 6-phosphate -> fructose 6-phosphate DG'° = +1.7 kJ/mol DG'° for the overall reaction is:

TLS Online TPP Program

#Question id: 449

#Unit 1. Molecules and their Interaction Relevant to Biology

The standard free-energy changes for the reactions below are given. Phosphocreatine -> creatine + Pi DG'° = –43.0 kJ/mol ATP ->  ADP + Pi DG'° = –30.5 kJ/mol What is the overall DG'° for the following reaction? Phosphocreatine + ADP -> creatine + ATP