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TLS Online TPP Program

#Question id: 3749

Which of the following statements describes the process of transformation in bacteria?

#Section 3: Genetics, Cellular and Molecular Biology

  1. A strand of DNA is created from an RNA molecule.

  2. A strand of RNA is created from a DNA molecule.

  3. Bacterial cells are infected by a phage DNA molecule.

  4. External DNA is taken into a cell, becoming part of the cell's genome.

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TLS Online TPP Program

#Question id: 5160

#General Aptitude

The last digit of the number 32015 is
TLS Online TPP Program

#Question id: 24078

#Section 5: Bioprocess Engineering and Process Biotechnology

A scientist conducts an experiment to determine the rate of the following reaction:
N2(g) + O2(g) → 2NO(g)
If the initial concentration of N2 was 0.500 M and the concentration of N2 was 0.450 M after 0.100 s, what is the rate of the reaction?
TLS Online TPP Program

#Question id: 1151

#Section 3: Genetics, Cellular and Molecular Biology

Which enzyme plays a role in regulating rhodopsin-induced closing of cation channels?
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?
TLS Online TPP Program

#Question id: 1988

#Section 2: General Biology

What are CD4 and CD8?