TLS Online TPP Program

#Question id: 9192


The oak tree pathogen Phytophthora ramorum has migrated 650 km in ten years. West Nile virus spread from New York State to 46 others states in five years. The difference in the rate of spread is probably related to

#Unit 9. Diversity of Life Forms
  1. how lethal each pathogen is.
  2. the mobility of their hosts.
  3. the fact that viruses are very small.
  4. innate resistance.
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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?

TLS Online TPP Program

#Question id: 10143

#Unit 6. System Physiology – Plant

In the carbon assimilation reaction of photosynthesis, the biosynthesis of 1 molecules of glucose from the 6 molecules of carbon dioxide requires;