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AP Biology John D. O’Bryant School of Mathematics and Science

AP Biology John D. O’Bryant School of Mathematics and Science. September 19, 2012. Agenda. Do Now (Quiz) Case Study: “A Can of Bull: Do Energy Drinks Really Provide a Source of Energy?” Video: “Inner Life of the Cell” Microanatomy of the Cell. Do Now (Quiz).

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AP Biology John D. O’Bryant School of Mathematics and Science

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  1. AP BiologyJohn D. O’Bryant School of Mathematics and Science September 19, 2012

  2. Agenda • Do Now (Quiz) • Case Study: “A Can of Bull: Do Energy Drinks Really Provide a Source of Energy?” • Video: “Inner Life of the Cell” • Microanatomy of the Cell

  3. Do Now (Quiz) • 1. The structural level of a protein least affected by a disruption in hydrogen bonding is the • A) primary level • B) secondary level • C) tertiary level • D) quaternary level

  4. Do Now (Quiz) • 2. Which of the following is a difference between DNA and RNA? • A) RNA is double-stranded; DNA is single-stranded • B) DNA is found in the nucleus; RNA is never found in the nucleus • C) In DNA, adenine pairs with guanine; in RNA, adenine pairs with thymine • D) DNA contains thymine; RNA contains uracil • E) DNA consists of five different nucleotides; RNA consists of four different nucleotides

  5. Do Now (Quiz) • 3. In the double helix structure of nucleic acids, cytosine hydrogen bonds to • A) deoxyribose • B) ribose • C) adenine • D) thymine • E) guanine

  6. Do Now (Quiz) • 4. A double-stranded DNA molecule contains a total of 120 purines and 120 pyrimidines. This DNA molecule could be comprised of • A) 120 adenine and 120 uracil molecules • B) 120 thymine and 120 adenine molecules • C) 120 cytosine and 120 thymine molecules • D) 240 adenine and 240 cytosine molecules • E) 240 guanine and 240 thymine molecules

  7. Do Now (Quiz) • 5. The globular protein transthyretin results from the aggregation of four polypeptide subunits. Each of the subunits is a polypeptide chain with an alphe helix region. Which structure(s) must the transthyretin protein have? • A) primary structure • B) primary and secondary structure • C) primary, secondary, and tertiary structure • D) primary, secondary, tertiary, and quaternary structure • E) primary, secondary, tertiary, quaternary, and alpha structure

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