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TLS Online TPP Program

#Question id: 3749

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

#XL - Q Biochemistry

  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: 20152

#XL - P Chemistry

The exact path of electron 2p-orbital cannot be determined.” The above statement is based
TLS Online TPP Program

#Question id: 20153

#XL - P Chemistry

The maximum number of electrons in a subshell is given by the expression
TLS Online TPP Program

#Question id: 20154

#XL - P Chemistry

If r is the radius of first orbit, the radius of nth orbit of the H atom will be
TLS Online TPP Program

#Question id: 20155

#XL - P Chemistry

The energy of hydrogen atom in its ground state is -13·6 eV. The energy of the level corresponding to the quantum number n = 5 is
TLS Online TPP Program

#Question id: 20156

#XL - P Chemistry

At 200°C hydrogen molecules have velocity 105 cm sec–1. The de-Broglie wavelength in this case is approximately
TLS Online TPP Program

#Question id: 20157

#XL - P Chemistry

The number of electrons in 3d shell for element with atomic number 26 is