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TLS Online TPP Program

#Question id: 12539

Human-induced modifications of the nitrogen cycle can result in

#Unit 10. Ecological Principles
  1. Eutrophication of adjacent wetlands.
  2. Decreased availability of fixed nitrogen to primary producers.
  3. Accumulation of toxic levels of N2 in groundwater.
  4. Extermination of nitrogen-fixing bacteria on agricultural lands
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TLS Online TPP Program

#Question id: 11300

#Unit 10. Ecological Principles

What type of organisms convert nitrates and nitrites into nitrogen gas?
TLS Online TPP Program

#Question id: 11301

#Unit 10. Ecological Principles

How is phosphorus returned to the soil from organic phosphorus?
TLS Online TPP Program

#Question id: 11302

#Unit 2. Cellular Organization

Solute selectivity is elegantly illustrated by maltoporin. This bacterial outer membrane protein facilitates the diffusion of:
TLS Online TPP Program

#Question id: 11303

#Unit 2. Cellular Organization

Which of the following processes includes all the others?
TLS Online TPP Program

#Question id: 11304

#Unit 2. Cellular Organization

In what way do the membranes of a eukaryotic cell vary?
TLS Online TPP Program

#Question id: 11305

#Unit 2. Cellular Organization

According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly