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TLS Online TPP Program

#Question id: 1993

When antibodies attack antigens, clumping of the affected cells generally occurs. This is best explained by

#Section 2: General Biology

  1. the shape of the antibody with at least two binding regions.

  2. disulfide bridges between the antigens.

  3. complement that makes the affected cells sticky.

  4. bonds between class I and class II MHC molecules.

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TLS Online TPP Program

#Question id: 15142

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Dot matrix analysis of the amino acid sequences of lambda phage cI (horizontal sequence) and phage P22 c2 (vertical sequence) repressors is shown below. Which one of the following is correct?
TLS Online TPP Program

#Question id: 3544

#Section 3: Genetics, Cellular and Molecular Biology

Diploid organism possesses two alternative form of gene present on locus of chromosome that specifies particular character undergoes crossing over between gene and centromere. Which of the following observation is correct?
TLS Online TPP Program

#Question id: 3665

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is true for Tandem-duplication mutations?
TLS Online TPP Program

#Question id: 556

#Section 2: General Biology

Which of the following statement is correct to calculate the turnover number of an enzyme,

A) the enzyme concentration.

B) the initial velocity of the catalyzed reaction at [S] >> Km.

C) the initial velocity of the catalyzed reaction at low [S].

D) the Km for the substrate.
TLS Online TPP Program

#Question id: 2142

#Section 2: General Biology

Glucose transport into erythrocytes is an example of