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TLS Online TPP Program

#Question id: 10351

Plants contain two types of GOGAT; one accepts electrons from NADH, and the other accepts electrons from ferredoxin (Fd); which one of the following statements is correct?

#Unit 6. System Physiology – Plant
  1. The NADH type of the enzyme (NADH-GOGAT) is located in plastids of nonphotosynthetic tissues such as roots or the vascular bundles of developing leaves
  2. In vascular bundles of developing leaves, NADH-GOGAT is involved in the assimilation of NH4 + absorbed from the rhizosphere
  3. In roots, NADH-GOGAT assimilates glutamine translocated from roots or senescing leave

  4. The ferredoxin-dependent type of glutamate synthase (Fd-GOGAT) is found in cytoplasm and serves in photorespiratory nitrogen metabolism

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TLS Online TPP Program

#Question id: 3273

#Unit 11. Evolution and Behavior

The number of forward mutations is equal to the number of reverse mutations then

a) Population is in equilibrium for forward and reverse mutation rates

b) The population is being in Hardy–Weinberg equilibrium

c) No further change in allelic frequency
TLS Online TPP Program

#Question id: 10553

#Unit 6. System Physiology – Plant

Cell walls allow plant cells to build up large internal hydrostatic pressures called
TLS Online TPP Program

#Question id: 15994

#Unit 12. Applied Biology

Somaclonal variation may arise due to following events at molecular level, except.
TLS Online TPP Program

#Question id: 4651

#Unit 11. Evolution and Behavior

Some members of a photosynthetic plant species are genetically resistant to an herbicide, while other members of the same species are not resistant to the herbicide. Which combination of events should cause the most effective replacement of the non-herbicide-resistant strain of plants by the resistant strain?

1. The presence of the herbicide in the environment

2. The absence of the herbicide from the environment

3. The maintenance of the proper conditions for one generation

4. The maintenance of the proper conditions for many generations
TLS Online TPP Program

#Question id: 5815

#Unit 8. Inheritance Biology

In the Ames test: