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TLS Online TPP Program

#Question id: 3741

In photoreactivation, DNA damage caused by UV light is reversed by DNA photolyase which

#Section 3: Genetics, Cellular and Molecular Biology

  1. is activated by UV light to form a complex.

  2. removes nicks in the DNA backbone.

  3. forms a complex with thymine dimers which absorbs visible light and reverses the dimerization

  4. binds to the adenine bases opposite the thymine dimer.

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TLS Online TPP Program

#Question id: 18013

#Section 1: Engineering Mathematics

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get At least one correct answer.
TLS Online TPP Program

#Question id: 4309

#Section 3: Genetics, Cellular and Molecular Biology

Imagine that you've isolated a yeast mutant that contains histones resistant to acetylation. What phenotype would you predict for this mutant?
TLS Online TPP Program

#Question id: 3745

#Section 3: Genetics, Cellular and Molecular Biology

In the Holliday model describing recombination
TLS Online TPP Program

#Question id: 16789

#Section 1: Engineering Mathematics

The median of number 50, 48, 47, 48.5, 50.5, 52, 48.8, 46 will be: 
TLS Online TPP Program

#Question id: 3267

#Section 3: Genetics, Cellular and Molecular Biology

In a typical Mendelian population, individuals carrying gene ‘a’ in homozygous condition suffer from phenylketonurea. Those with A in homozygous condition are normal. Others, who are heterozygotic with Aa, are carriers. If the frequency of ‘a’ in a population is 0.20, what is the percentage of normal individual in the population?