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TLS Online TPP Program

#Question id: 612

 The quaternary structure of hemoglobin changes from the T state to the R state ________.

#Section 2: General Biology

  1. when at least one subunit on each dimeric unit (αβ dimer) is oxygenated

  2. only after four molecules of O2 are bound

  3. after the binding of one molecule of O2 causes a change in the primary structure

  4. when hemoglobin is completely deoxygenated

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TLS Online TPP Program

#Question id: 14485

#Section 1: Engineering Mathematics

In a race where 12 horses are running, the chance that horse A will win is 1/6, that B will win is 1/10 and that C will win is 1/8. Assuming that a dead heat is impossible the chance that one of them will win
TLS Online TPP Program

#Question id: 4131

#Section 3: Genetics, Cellular and Molecular Biology

Aminoacyl-tRNA synthetases (amino acid activating enzymes):
TLS Online TPP Program

#Question id: 3635

#Section 3: Genetics, Cellular and Molecular Biology

In the multiple allele series that determines coat color in rabbits, c+codes for agouti, cch for chinchilla and ch for Himalayan. Dominance is in the order c+>cch>ch. In a cross of c+/cch X cch/ch, what proportion of progeny will be chinchilla?
TLS Online TPP Program

#Question id: 146

#Section 2: General Biology

The pH inside cells is normally near pH 7. At pH 7 which statement is true about the charges (ionization state) of the α-Carboxyl and α-Amino groups of an amino acid?
TLS Online TPP Program

#Question id: 11852

#General Aptitude

The least number of five digits which is exactly divisible by 12,15 and 18, is :