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TLS Online TPP Program

#Question id: 403

For the reaction A -> B, DG'° = –60 kJ/mol.  The reaction is started with 10 mmol of A; no B is initially present.  After 24 hours, analysis reveals the presence of 2 mmol of B, 8 mmol of A. Which is the most likely explanation?

#XL - S Microbiology

  1. A and B have reached equilibrium concentrations.

  2. An enzyme has shifted the equilibrium toward A.

  3. B formation is kinetically slow; equilibrium has not been reached by 24 hours.

  4. Formation of B is thermodynamically unfavorable.

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TLS Online TPP Program

#Question id: 351

#XL - Q Biochemistry

 If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.
TLS Online TPP Program

#Question id: 3484

#XL - T Zoology

Modern behavioral concepts relate the cost of a behavior to its benefit. Under which relationship might a behavior be performed?

A) cost is greater than the benefit

B) cost is less than the benefit

C) cost is equal to the benefit
TLS Online TPP Program

#Question id: 3849

#XL - Q Biochemistry

Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.
TLS Online TPP Program

#Question id: 27353

#XL - T Zoology

What is the correct order of steps in the CRISPR process?
TLS Online TPP Program

#Question id: 2041

#XL - S Microbiology

Function of Properdin