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TLS Online TPP Program

#Question id: 407

The reaction A + B -> C has a DG'° of –20 kJ/mol at 25° C.  Starting under standard conditions, one can predict that:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. at equilibrium, the concentration of B will exceed the concentration of A.

  2. at equilibrium, the concentration of C will be less than the concentration of A.

  3. at equilibrium, the concentration of C will be much greater than the concentration of A or B.

  4. C will rapidly break down to A + B.

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TLS Online TPP Program

#Question id: 1160

#Unit 4. Cell Communication and Cell Signaling

Signal amplification is an important part of GPCR-mediated signaling. Which of the following steps do NOT directly amplify the signal?
TLS Online TPP Program

#Question id: 19230

#Unit 12. Applied Biology

A physical gene transformation method that can be used with a wide range of plants and tissues; easy and inexpensive
TLS Online TPP Program

#Question id: 12986

#Unit 10. Ecological Principles

Infant mortality and life expectancy at birth in developed and developing countries. 


What is a logical conclusion that can be drawn from the graphs above?
TLS Online TPP Program

#Question id: 5283

#Unit 8. Inheritance Biology

A generalized transducing phage is used to transduce an a- b- c- d- e- recipient strain of E. coli with an a+ b+c+d+ e+ donor. The recipient culture is plated on various media with the results shown in the table below What can you conclude about the linkage and order of the genes?
TLS Online TPP Program

#Question id: 20318

#Unit 4. Cell Communication and Cell Signaling

Which statement is not correct about bacterial quorum sensing?