Consider the ABO “blood type” gene. This single gene has three alleles called A, B, and O. There are four resultant “blood types” (phenotypic classes), as follows:C

                               

Assume Hardy-Weinberg equilibrium. In Norway, the frequencies of the A and B alleles are 0.26 and 0.07, respectively. What is the frequencies of these six genotypes (AA, AO, BB, BO, AB, and OO);

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#Question id: 10191

#Unit 1. Molecules and their Interaction Relevant to Biology

Statements are given as

A. Primary kinetic isotope effects are rate changes due to isotopic substitution at a site of bond breaking in the rate determining step of a reaction.

B. Solvent shows primary kinetic isotope effect

C. Secondary kinetic isotope effects are rate changes due to isotopic substitutions at a site other than the bond breaking site in the rate determining step of the reaction.

D. Solvent shows primary kinetic isotope effect and secondary kinetic effect as well

Which of the following is correct combination of statements

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#Question id: 10257

#Unit 1. Molecules and their Interaction Relevant to Biology

Lattice energy is inversely proportional to sum of radii of

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#Question id: 10258

#Unit 1. Molecules and their Interaction Relevant to Biology

Arrange in the decreasing order of Lattice Energy (kj/mol)

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#Question id: 10259

#Unit 1. Molecules and their Interaction Relevant to Biology

Which molecule has the largest dipole moment?

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#Question id: 10260

#Unit 1. Molecules and their Interaction Relevant to Biology

Arrange F, C, O, N in the decreasing order of electronegativity

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#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

Bonds	Bond Enthalpy (kJ mol⁻¹)
C-H	413
Cl-Cl	239
C-C	347
C-Cl	339
H-Cl	427