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TLS Online TPP Program

#Question id: 612

 The quaternary structure of hemoglobin changes from the T state to the R state ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. when at least one subunit on each dimeric unit (αβ dimer) is oxygenated

  2. only after four molecules of O2 are bound

  3. after the binding of one molecule of O2 causes a change in the primary structure

  4. when hemoglobin is completely deoxygenated

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TLS Online TPP Program

#Question id: 10677

#Unit 10. Ecological Principles

What interactions occur in epiphyte plants that grow on other plants?
TLS Online TPP Program

#Question id: 4917

#Unit 8. Inheritance Biology

Cytoplasmic male sterility in maize is manifestation of interaction between
TLS Online TPP Program

#Question id: 459

#Unit 1. Molecules and their Interaction Relevant to Biology

Calculate △G°ʹ for the reaction shown if the mass action ratio, Q, is 5.3 × 102 M-1 and △G is 46 kJ/mol at a temperature of 298 K. (R = 8.315 J/K-mol)

ADP + Pi ⇌ ATP
TLS Online TPP Program

#Question id: 32435

#Unit 2. Cellular Organization

Activation of Rho has following effects, except: 
TLS Online TPP Program

#Question id: 5208

#Unit 11. Evolution and Behavior

Fragments of DNA have been extracted from the remnants of extinct wooly mammoths, amplified, and sequenced. These can now be used to