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TLS Online TPP Program

#Question id: 75

The experimental approach taken in current biological investigations presumes that ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Simple organic compounds can be synthesized in the laboratory from inorganic precursors, but complex organic compounds like carbohydrates and proteins can be synthesized only by living organisms

  2. A life force ultimately controls the activities of living organisms, and this life force cannot be studied by physical or chemical methods

  3. Living organisms are composed of the same elements present in nonliving things, plus a few special trace elements found only in living organisms or their products

  4. Living organisms can be understood in terms of the same physical and chemical laws that can be used to explain all natural phenomena

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TLS Online TPP Program

#Question id: 27571

#Unit 1. Molecules and their Interaction Relevant to Biology

As atom "A" approaches, the electrons of atom "B" will be attracted by the positive end of atom "A". As a result, the electrons of atom "B" will migrate to the left side and make the left side slightly negative, such given condition leads to the formation of
TLS Online TPP Program

#Question id: 27572

#Unit 1. Molecules and their Interaction Relevant to Biology

Nitrogenous Base pairs & aromatic amino acids stack together through pi, pi-electronic interactions, These stacking interactions are best example of
TLS Online TPP Program

#Question id: 27573

#Unit 1. Molecules and their Interaction Relevant to Biology

Interaction type, Distance dependence of potential energy, and Typical energy (kJ mol-1) are given

Interaction typeDistance dependence of potential energyTypical energy (kJ mol⁻¹)
1. Ion-iona. 1/r6i. 2
2. Ion-dipoleb. 1/r6ii. 15
3. Dipole-dipole (rotating polar molecule)c. 1/r2iii. 0.3
4. London (dispersion)d. 1/riv. 250

Match them correctly
TLS Online TPP Program

#Question id: 27574

#Unit 1. Molecules and their Interaction Relevant to Biology

Misplaced Dispersion forces are responsible for

a. Sickle-Cell Anemia

b. Alzheimer's disease

c. CFTR

d. Huntington disease

Choose which of the above set of diseased caused by Misplaced Dispersion
TLS Online TPP Program

#Question id: 27575

#Unit 1. Molecules and their Interaction Relevant to Biology

Which kind of interactions occur between the side chains of oppositely charged residues as well as between the NH3+ and COO− groups at the ends of polypeptide
TLS Online TPP Program

#Question id: 27576

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following law describe the potential energy (V) between two separated charges (in a perfect vacuum)