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TLS Online TPP Program

#Question id: 1711

On entering a germinal center, the primary B-blasts grow exponentially to form which cell type in the dark zone?

#Unit 4. Cell Communication and Cell Signaling

  1. B-blasts

  2. Centrocytes

  3. Centroblasts

  4. Memory B-cells

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TLS Online TPP Program

#Question id: 10257

#Unit 1. Molecules and their Interaction Relevant to Biology

Lattice energy is inversely proportional to sum of radii of
TLS Online TPP Program

#Question id: 10258

#Unit 1. Molecules and their Interaction Relevant to Biology

Arrange in the decreasing order of Lattice Energy (kj/mol)
TLS Online TPP Program

#Question id: 10259

#Unit 1. Molecules and their Interaction Relevant to Biology

Which molecule has the largest dipole moment?
TLS Online TPP Program

#Question id: 10260

#Unit 1. Molecules and their Interaction Relevant to Biology

Arrange F, C, O, N in the decreasing order of electronegativity
TLS Online TPP Program

#Question id: 10261

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the enthalpy change for the given reaction?
CH3CH3 + Cl2 → CH3CH2Cl + HCl
Given the enthalpies
BondsBond Enthalpy (kJ mol⁻¹)
C-H413
Cl-Cl239
C-C347
C-Cl339
H-Cl427
TLS Online TPP Program

#Question id: 10262

#Unit 1. Molecules and their Interaction Relevant to Biology

Linus Pauling has given electronegativity as