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TLS Online TPP Program

#Question id: 12228

Which of the following examples best describes an ecological community?

#Unit 10. Ecological Principles
  1. The intraspecific competition of members of a brook trout population inhabiting a stream during a given year.
  2. The interactions of all the plant and animal species inhabiting a 2 hectare forest.
  3. The  material cycling  and  energy transformations between the  biotic  and  abiotic  components of  an  open meadow.
  4. The various species of barnacles competing for resources in an intertidal zone.
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TLS Online TPP Program

#Question id: 11749

#Unit 7. System Physiology – Animal

Hypoventilation has which of the following effects on neuronal activity?
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: 2277

#Unit 2. Cellular Organization

A gram-positive bacterium is stained _______________ by the gram stain
TLS Online TPP Program

#Question id: 3895

#Unit 3. Fundamental Processes

Which one of the following types of eukaryotic regulatory proteins interact with enhancers?
TLS Online TPP Program

#Question id: 14850

#Unit 13. Methods in Biology

A bag contains 2 white and 3 black balls. A ball is drawn 5 times, each being replaced before another is drawn. Find the probability that exactly 4 of the balls drawn are white.