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TLS Online TPP Program

#Question id: 2115

Which of the following statements about diffusion is true?

#Section 2: General Biology

  1. It is very rapid over long distances.

  2. It requires an expenditure of energy by the cell.

  3. It is an active process in which molecules move from a region of lower concentration to a region of higher concentration.

  4. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.

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TLS Online TPP Program

#Question id: 612

#Section 2: General Biology

 The quaternary structure of hemoglobin changes from the T state to the R state ________.
TLS Online TPP Program

#Question id: 614

#Section 2: General Biology

What type of inhibition is indicated by the data graphed below?
TLS Online TPP Program

#Question id: 615

#Section 2: General Biology

The following data were obtained in the presence and absence of inhibitor. What type of inhibition is shown?
TLS Online TPP Program

#Question id: 616

#Section 2: General Biology

Which equilibrium below applies to noncompetitive inhibition?
TLS Online TPP Program

#Question id: 619

#Section 2: General Biology

The benefit of measuring the initial rate of a reaction V0 is that at the beginning of a reaction:
TLS Online TPP Program

#Question id: 620

#Section 2: General Biology

Which of the following statements about a plot of V0 vs. [S] for an enzyme that follows Michaelis-Menten kinetics is false?