Biochemistry - Mock Test 21

Question 201

The distribution of electric charges in water is

A) Symmetrical B) Asymmetrical C) Central D) Peripheral

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Question 202

Water is

A) Planar B) Linear C) Polar D) Non-polar

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Question 203

Typically, an atom pair due to Van der Waals interactions has an energy of

A) 1.0 to 5.0 kcal mol⁻¹ B) 0.5 to 1.0 kcal mol⁻¹ C) 0.05 to 0.5 kcal mol⁻¹ D) 5.0 to 10.0 kcal mol⁻¹

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Question 204

The energy of a typical carbon-carbon covalent bond has an energy of

A) 58 kcal mol⁻¹ B) 8 kcal mol⁻¹ C) 5 kcal mol⁻¹ D) 85 kcal mol⁻¹

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Question 205

The energy range of hydrogen bonds is

A) 1 kcal mol⁻¹ B) 3 kcal mol⁻¹ C) 13 kcal mol⁻¹ D) 31 kcal mol⁻¹

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Question 206

Electrostatic interaction energy is defined by

A) Coulomb's law B) Coombs test C) Contact distance D) Hydrogen bonds

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Question 207

Non-covalent bonds do not include

A) Hydrogen bond B) Van der Waals forces C) Sharing or exchange of electrons D) Electrostatic interactions

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Question 208

Most biochemical reactions rely on

A) Non-covalent linkages B) Covalent bonds C) Van der Waals forces D) Hydrophobic interactions

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Question 209

The strongest bonds are

A) Non-covalent linkages B) Covalent bonds C) Van der Waals forces D) Hydrophobic interactions

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Question 210

Proteins are aptly known as the

A) Information provider B) Intermediary in the genetic information flow C) Work horses of the cell D) Cellular structural backbone

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