Cyanide is a deadly poison that reacts with hemoglobin in our blood and prevents it from binding oxygen. Cyanide also binds to a molecule in the electron transport chain and blocks the flow of electrons down the chain. Explain why both these mechanisms
will stop ATP synthesis.
What will be an ideal response?
Both mechanisms will stop the functioning of the electron transport chain, so no ATP can be produced. If oxygen can't be delivered to the tissues, then oxygen is not present to accept electrons at the end of the electron transport chain, so electron flow stops and ATP synthesis stops. Likewise, if the flow of electrons down the chain is blocked by cyanide, then ATP synthesis stops.
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In bryophytes:
A. the diploid gametophyte produces haploid spores by meiosis. B. the haploid gametophyte produces diploid spores by fertilization. C. the male gametes require water to reach the female gametes. D. the male gametes are dispersed by wind. E. the sporophyte produces spores by mitosis.
Which of the following is a disadvantage of living in social groups?
a. disease transmission b. interspecific competition c. coevolution d. communication
What is the difference between red and yellow marrow?
Indicate whether the statement is true or false.
Drupes have multiple seeds and fused carpels.
Answer the following statement true (T) or false (F)