The splitting of water produces three products. Name and discuss the role of each.
What will be an ideal response?
First, an electron is liberated. This electron is excited by photosystem II and passed through the noncyclic pathway of photosynthesis. Second, hydrogen ions are generated, and these contribute to the hydrogen gradient across the thylakoid membrane. Last, oxygen is produced. This is a waste product to the photosynthetic organism but is responsible for the oxygen-rich environment today.
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Over the years, the neurotoxin has become more toxic. How might the toxin have changed
over time?
. mutation b. gene flow c. adaptive radiation d. sexual selection
Which of these molecules has the most potential energy?
a. glucose b. pyruvate c. ATP d. NADH e. FADH2
Viruses always lack which of the following?
A. organelles B. an envelope C. a protein coat D. genetic material E. None of the answer choices is correct.
In which cellular organelle does photosynthesis take place?
a. rough endoplasmic reticulum b. Golgi bodies c. mitochondria d. chloroplasts e. lysosome