TLS Online TPP Program

#Question id: 11092


Which statement is the most accurate definition of external respiration?

#Unit 7. System Physiology – Animal
  1. Bulk flow (convection) of air or water to and from the gas-exchange membrane.
  2. The process by which O2 is transported to the gas-exchange membrane from the environmental medium and by which CO2 is transported away from the membrane into the environmental medium.
  3. The process by which CO2 is transported to the gas-exchange membrane from the environmental medium and O2 is transported away from the membrane into the environmental medium.

  4. Diffusion of O2 and CO2 across the gas exchange membrane.
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TLS Online TPP Program

#Question id: 290

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is a TRUE statement about ionic bonds in protein structure:

TLS Online TPP Program

#Question id: 291

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following types of non-covalent bonds or interactions is thought to be primarily responsible for driving the three-dimensional folding of a protein:

TLS Online TPP Program

#Question id: 292

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following types of non-covalent bonds or interactions is responsible for forming the α helix and β sheet secondary structural motifs of a protein:

TLS Online TPP Program

#Question id: 293

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following types of bonds or interactions between lipid hydrocarbon tails is responsible for lipids forming a membrane bilayer or membranous vesicles in water

TLS Online TPP Program

#Question id: 294

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following pairs of amino acids would you predict to only participate in Van der Waals interactions in the three dimensional folding of a protein:

TLS Online TPP Program

#Question id: 294

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following pairs of amino acids would you predict to only participate in Van der Waals interactions in the three dimensional folding of a protein: