Which of the following is (are) true of the oxidation of 1 mol of palmitate (a 16-carbon saturated fatty acid; 16:0) by the B-oxidation pathway, beginning with the free fatty acid in the cytoplasm?

1. Activation of the free fatty acid requires the equivalent of two ATPs.

2. Inorganic pyrophosphate (PPi) is produced.

3. Carnitine functions as an electron acceptor.

4. 8 mol of FADH2 are formed.

5. 8 mol of acetyl-CoA are formed.

6. There is no direct involvement of NAD+.

TLS Online TPP Program

#Question id: 12583

#Unit 10. Ecological Principles

Which of the following is caused by excessive nutrient runoff into lakes?  

TLS Online TPP Program

#Question id: 12584

#Unit 10. Ecological Principles

Which of the following causes excessively high levels of toxic chemicals in fish-eating birds? 

TLS Online TPP Program

#Question id: 12585

#Unit 10. Ecological Principles

Agricultural lands frequently require nutritional supplementation because

TLS Online TPP Program

#Question id: 12673

#Unit 10. Ecological Principles

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

TLS Online TPP Program

#Question id: 12677

#Unit 10. Ecological Principles

Aquatic ecosystems that are most readily damaged by acid are those that lack an important buffer that dissolves into the runoff after a precipitation event. What is this buffer?

TLS Online TPP Program

#Question id: 12755

#Unit 10. Ecological Principles

Which of the following statements best describes why biologists are currently concerned with global warming and the thawing of permafrost in many areas of the tundra biome?