TLS Online TPP Program

#Question id: 9184


Which aquatic biome listed here is one of the most productive on Earth, and why?

#Unit 9. Diversity of Life Forms
  1. deep-sea vent, warm water temperatures
  2. coral reef, diversity of organisms
  3. wetlands, nutrient rich high-moisture soils
  4. oligotrophic lake, clear water for light penetration
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TLS Online TPP Program

#Question id: 13553

#Unit 6. System Physiology – Plant

According this graph which statements is most appropriate ;


a) The air surrounding the leaf is very still, the layer of unstirred air on the surface of the leaf may be so thick that it is the primary deterrent to water vapor loss from the leaf   
b) The air surrounding the leaf is very still, reduces the thickness of the boundary layer at the leaf surface, reducing the resistance of this layer
c) The moving air reduces the thickness of the boundary layer at the leaf surface, reducing the resistance of this layer    
d) The moving air, the layer of unstirred air on the surface of the leaf may be so thick that it is the primary deterrent to water vapor loss from the leaf

TLS Online TPP Program

#Question id: 3874

#Unit 3. Fundamental Processes

A branched (“lariat”) structure is formed during:

TLS Online TPP Program

#Question id: 2066

#Unit 2. Cellular Organization

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?

TLS Online TPP Program

#Question id: 12552

#Unit 10. Ecological Principles

To measure the population of lake trout in a 250 hectare lake, 200 individuals were netted and marked with a fin clip, and then returned to the lake. The next week, the lake is netted again, and out of the 200 lake trout that are caught, 50 have fin clips. Using the capture-recapture estimate, the lake trout population size could be closest to which of the following?

TLS Online TPP Program

#Question id: 663

#Unit 1. Molecules and their Interaction Relevant to Biology

________ is a technique used to analyze the macromolecular structure of proteins in solution.