When Phi is fixed at -80º. Clashes occur at all Psi angles except:

+10 to -55º (alpha helix)

+90 to 180 (beta strand

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#Id: 4916

#Unit 1. Molecules and their Interaction Relevant to Biology

Lineweaver-Burk plot showing the effect of competitive inhibition; (b) the same, showing plots for several inhibitor concentrations at fixed enzyme concentrations.

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#Id: 7822

#Unit 10. Ecological Principles

Glycoproteins can permit some invertebrates to withstand temperatures as low as –18°C without freezing. 

Antarctic fish also have glycoproteins in their blood and some species accumulate sodium, potassium, or chloride ions or urea, all of which lower the blood freezing point.

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#Id: 3853

#Unit 5. Developmental Biology

In D. discoideum cAMP phosphodiesterase RegA plays a crucial role in regulating intracellular cAMP levels cells & level of PKA activity.

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#Id: 1413

#Unit 4. Cell Communication and Cell Signaling

When the Ca2+ level rises, Ca2+ binds CaM.

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#Id: 6552

#Unit 7. System Physiology – Animal