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TLS Online TPP Program

#Question id: 28042

Thermodynamic measurements indicate that native proteins are only marginally stable under physiological conditions, The free energy required to denature them is ∼0.4 kJ∙mol−1 per amino acid residue so which of the following is true for so a fully folded 100-residue protein

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. To denature them only 40 kJ.mol−1 is required, which is equal to the breaking of one hydrogen bond
  2. To denature them only 40 kJ.mol−1 is required, which is equal to the breaking of two hydrogen bond
  3. To denature them only 40 kJ.mol−1 is required, which is equal to the breaking of three hydrogen bond
  4. To denature them only 40 kJ.mol−1 is required, which is equal to the breaking of four hydrogen bond
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TLS Online TPP Program

#Question id: 18867

#Unit 13. Methods in Biology

_________ is used to acquire total magnification.
TLS Online TPP Program

#Question id: 18868

#Unit 13. Methods in Biology

Prior to staining, which of the following is employed as a fixative in light microscopy?
TLS Online TPP Program

#Question id: 18869

#Unit 13. Methods in Biology

The pace at which light passes through objects in phase contrast microscopy is-
TLS Online TPP Program

#Question id: 18870

#Unit 13. Methods in Biology

Which element of the light microscope is in charge of regulating the amount of light that enters the viewing area?
TLS Online TPP Program

#Question id: 18881

#Unit 13. Methods in Biology

A compound microscope’s magnification power is independent of 
TLS Online TPP Program

#Question id: 18882

#Unit 13. Methods in Biology

The resolving power of a microscope is determined by-