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: 9595

#Unit 6. System Physiology – Plant

The process is that the absorbed photon causes an electron rearrangement in the reaction centre chlorophyll, followed by an electron transfer process in which part of the energy in the photon is captured in the form of

TLS Online TPP Program

#Question id: 9596

#Unit 6. System Physiology – Plant

The reaction centre chlorophyll is transiently in an oxidized state after losing an electron and before being re-reduced by its electron donor, what characteristics has been shown by chlorophylls in an oxidized state?

TLS Online TPP Program

#Question id: 9599

#Unit 6. System Physiology – Plant

The primary donor of PSI, P700, is a dimer of chlorophyll a molecules, in primary donor chlorophyll, additional chlorophylls molecules such as

TLS Online TPP Program

#Question id: 10127

#Unit 6. System Physiology – Plant

In higher plants, the multi-subunit protein supercomplex has two complete reaction centers and some antenna complexes. The core of the reaction center consists of two membrane proteins known as D1 and D2, Which contained a multi-subunit protein supercomplexes;

TLS Online TPP Program

#Question id: 10129

#Unit 6. System Physiology – Plant

Oxidation of water to form molecular oxygen is very difficult: The photosynthetic oxygen-evolving complex is the only known biochemical system that carries out this reaction which essential cofactor are involved in the water-oxidizing process?

TLS Online TPP Program

#Question id: 10135

#Unit 6. System Physiology – Plant

Which of the following are strongest reductant?