BIOChapter25 - Question 1 The ATP synthase of most...

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Question 1 1 points Save The ATP synthase of most mitochondria consists of protein subunits synthesized by ribosomes within the mitochondria. consists of protein subunits synthesized by ribosomes in the surrounding cytoplasm. is a component of a metabolic process that requires oxygen as a final electron acceptor. consists of protein subunits synthesized by ribosomes within the mitochondria and is a component of a metabolic process that requires oxygen as a final electron acceptor. consists of protein subunits synthesized by ribosomes within the mitochondria, consists of protein subunits synthesized by ribosomes in the surrounding cytoplasm, and is a component of a metabolic process that requires oxygen as a final electron acceptor. Question 2 1 points Save As the number of kingdoms increased from two to three, what was true of the kingdom Protista? It was used to harbor all prokaryotes. All photosynthetic organisms were assigned to it. Viruses were assigned to this kingdom. Unicellular organisms of all kinds were placed here. It was used for organisms that did not fit clearly into the other two kingdoms. Question 3 1 points Save Approximately how far back in time does the fossil record extend? 6,000 years 3,500,000 years 6,000,000 years 3,500,000,000 years 5,000,000,000,000 years Question 4 1 points Save What condition would have made the primitive atmosphere of Earth more conducive to the origin of life than the present one? The primitive atmosphere had a layer of ozone that shielded the first fragile cells. removed electrons that impeded the formation of protobionts. may have been a reducing one that facilitated the formation of
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This note was uploaded on 10/09/2008 for the course EFEW 182 taught by Professor Ss during the Spring '08 term at Glendale Community College.

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BIOChapter25 - Question 1 The ATP synthase of most...

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