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TLS Online TPP Program

#Question id: 620

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

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. As [S] increases, the initial velocity of reaction V0 also increases.

  2. At very high [S], the velocity curve becomes a horizontal line that intersects the y-axis at Km.

  3. Km is the [S] at which V0 = 1/2 Vmax.

  4. The shape of the curve is a hyperbola.

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TLS Online TPP Program

#Question id: 373

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the hydroxyl ion (OH-) concentration of a solution of pH 8?
TLS Online TPP Program

#Question id: 4961

#Unit 11. Evolution and Behavior

An early consequence of the release of oxygen gas by plant and bacterial photosynthesis was to
TLS Online TPP Program

#Question id: 4652

#Unit 11. Evolution and Behavior

The graph depicts four possible patterns for the abundance of 3TC-resistant HIV within an infected human over time. If 3TC resistance is costly for HIV, then which plot (I—IV) best represents the response of a strain of 3TC-resistant HIV over time, if 3TC administration begins at the time indicated by the arrow?
TLS Online TPP Program

#Question id: 3251

#Unit 11. Evolution and Behavior

Looking at 3 allele per locus and following Hardy Weinberg equilibrium what will be the expected heterozygosity if q1=0.5, q2=0.3, q3=0.2
TLS Online TPP Program

#Question id: 4706

#Unit 11. Evolution and Behavior

Which of the following statements best explains why modification or change in an organ or tissue during the lifetime of an individual is not inherited?