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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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AP BiologyJohn 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)

  • 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


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


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


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


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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