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TLS Online TPP Program

#Question id: 12673

Burning fossil fuels releases oxides of sulphur and nitrogen. Ultimately, these are probably responsible for

#Unit 10. Ecological Principles
  1. The death of fish in Norwegian lakes. 
  2. Rain with a pH as low as 3.0. 
  3. Calcium deficiency in soils.
  4. A, B, C, and D are all correct.
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TLS Online TPP Program

#Question id: 11164

#Unit 2. Cellular Organization

Cellular membranes are self-sealing— if they are punctured or disrupted mechanically, they quickly and automatically reseal. What properties of membranes are responsible for this important feature?
TLS Online TPP Program

#Question id: 7298

#Unit 5. Developmental Biology

In what way are the homeotic genes of flowering plants similar to those of Drosophila and other animals?
TLS Online TPP Program

#Question id: 3010

#Unit 2. Cellular Organization

Endospores
TLS Online TPP Program

#Question id: 343

#Unit 1. Molecules and their Interaction Relevant to Biology

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?
TLS Online TPP Program

#Question id: 11113

#Unit 7. System Physiology – Animal

Exchange of both oxygen and carbon dioxide through the respiratory membrane occurs by: