34. Which of the following statements is a correct distinction between autotrophs and heterotrophs? (A) Cellular respiration is unique to heterotrophs (B) Only heterotrophs have mitochondria (C) Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic (D) The most common way that autotrophs make their own food is converting inorganic molecules into usable components by sunlight through photosynthesis (E) Only heterotrophs require oxygen

複選題35. Which of the following scientists were responsible for the following discovery? (A) Erwin Chargaff discovered that in DNA from any species, the amount of adenine equals the amount of thymine, and the amount of guanine equals the amount of cytosine (B) Alfred Hershey and Martha Chase discovered that RNA can be converted to DNA by reverse transcription (C) James Watson and Francis Crick discovered that DNA is a double helix in structure (D) Oswald Avery, Maclyn McCarty, and Colin MacLeod discovered that DNA is genetic material (E) Matthew Meselson and Franklin Stahl discovered that DNA replication is semi- conservative

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