Electron carrier molecules, NADH and FADH2, produced in the reactions of glycolysis and the Krebs cycle, donate
What will be an ideal response?
electrons to the carrier proteins of the electron transport chain.
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During the inventory of bacterial genes present in the Sargasso Sea in the middle of the Atlantic Ocean, a research team concluded that at least 1800 bacterial species were discovered
Based on what you know about this area, what would you expect to see in coral reef waters? A) slightly greater genetic diversity B) slightly smaller genetic diversity C) equal genetic diversity D) markedly greater genetic diversity E) markedly smaller genetic diversity
Which of the following statements best represents the relationships between the light reactions and the Calvin cycle?
A) The light reactions provide ATP and NADPH to the Calvin cycle, and the Calvin cycle returns ADP, i, and NADP+ to the light reactions. B) The light reactions provide ATP and NADPH to the carbon fixation step of the Calvin cycle, and the cycle provides water and electrons to the light reactions. C) The light reactions supply the Calvin cycle with CO2 to produce sugars, and the Calvin cycle supplies the light reactions with sugars to produce ATP. D) The light reactions provide the Calvin cycle with oxygen for electron flow, and the Calvin cycle provides the light reactions with water to split. E) There is no relationship between the light reactions and the Calvin cycle.
How was the mechanism of sympatric speciation among hemp nettles in nature verified experimentally?
a. By simply creating unique hybrids under laboratory conditions b. By producing hybrids that were 98% fertile under laboratory conditions c. By producing experimental hybrids that could reproduce successfully with both parent species d. By producing experimental hybrids that formed fertile offspring with the naturally occurring hybrid e. By creating hybrids that reproduced through the F4 generation before dying from hybrid inviability
Bacteria will often pass a piece of DNA from a donor bacterial cell to a recipient bacterial cell presumably through a structure called a pilus. What is this process called?
A) transduction B) conjugation C) transformation D) fission E) confirmation