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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?

#Section 2: General 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: 1860

#Section 2: General Biology

Mendelian susceptibility to mycobacterial infection does NOT involve the gene for:
TLS Online TPP Program

#Question id: 1861

#Section 2: General Biology

Paroxysmal nocturnal hemoglobulinuria results from deficiency in:
TLS Online TPP Program

#Question id: 1862

#Section 2: General Biology

X-linked agammaglobulinemia results from a mutation in:
TLS Online TPP Program

#Question id: 1863

#Section 2: General Biology

Di George syndrome results from a defect in:
TLS Online TPP Program

#Question id: 1864

#Section 2: General Biology

What is the approximate percentage of cases of severe combined immunodeficiency (SCID) due to defects in the Armetis gene?
TLS Online TPP Program

#Question id: 1865

#Section 2: General Biology

What deficiency is indicated by poor skin test results to a range of microbial antigens such as tuberculin and mumps?