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AP Biology Biological Macromolecules — practice questions — page 2

Explore 59 free Biological Macromolecules questions in AP Biology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Biological Macromolecules questions and exercises with answers

Showing questions 31–59 of 59.

Friedrich Miescher named the phosphate-rich chemical from white blood cell nuclei:Read the answer and worked solution →Mice injected with heat-killed S strain plus live R strain died. Griffith's 1928 finding is called:Read the answer and worked solution →Avery, MacLeod and McCarty (1944) showed the transforming principle was:Read the answer and worked solution →Hershey and Chase labelled phage DNA with radioactive:Read the answer and worked solution →Chargaff's rules state that the amount of adenine equals the amount of:Read the answer and worked solution →Watson, Crick and Wilkins received the Nobel Prize in Medicine in:Read the answer and worked solution →Rosalind Franklin did not share the Nobel Prize because:Read the answer and worked solution →Adenine and thymine are held together by how many hydrogen bonds?Read the answer and worked solution →The two DNA strands run in opposite directions, described as:Read the answer and worked solution →One turn of the DNA helix measures 3.4 nm and contains how many base pairs?Read the answer and worked solution →A researcher measures the width of a DNA double helix, which is uniform throughout. She finds:Read the answer and worked solution →In prokaryotes, the single circular chromosome lies in a cytoplasm region called the:Read the answer and worked solution →Eukaryotic DNA wraps around histone proteins to form:Read the answer and worked solution →Meselson and Stahl's heavy nitrogen experiment supported which replication model?Read the answer and worked solution →E. coli's 4.6 million base pairs replicate in approximately:Read the answer and worked solution →The enzyme that unwinds DNA by breaking hydrogen bonds between bases is:Read the answer and worked solution →The strand synthesized in short Okazaki fragments away from the fork is the:Read the answer and worked solution →The repetitive six-base sequence in human telomeres is:Read the answer and worked solution →Blackburn, Greider and Szostak won the 2009 Nobel Prize for discovering:Read the answer and worked solution →DNA polymerase corrects wrong bases as it adds them through:Read the answer and worked solution →An insertion or deletion that alters the reading frame is a:Read the answer and worked solution →Catch the replication enzymesRead the answer and worked solution →Pop the DNA scientistsRead the answer and worked solution →Run the double helixRead the answer and worked solution →Slice the DNA wordsRead the answer and worked solution →Purine or pyrimidineRead the answer and worked solution →Sort the replication strandsRead the answer and worked solution →Type the numberRead the answer and worked solution →DNA bingoRead the answer and worked solution →

Worked practice questions

Friedrich Miescher named the phosphate-rich chemical from white blood cell nuclei:

  1. Nucleoid
  2. Nuclein
  3. Chromatin
  4. Protein
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Correct answer: B. Nuclein

1. He worked in the 1860s. 2. He called it nuclein after the nucleus. 3. It would later be known as DNA. _Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._

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Mice injected with heat-killed S strain plus live R strain died. Griffith's 1928 finding is called:

  1. Transformation
  2. Translation
  3. Transcription
  4. Transduction
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Correct answer: A. Transformation

1. External DNA was taken up by a cell. 2. Griffith called it the transforming principle. 3. Live R strain became deadly S strain. _Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._

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Avery, MacLeod and McCarty (1944) showed the transforming principle was:

  1. Ash
  2. DNA
  3. RNA
  4. Fat
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Correct answer: B. DNA

1. They degraded each component in turn. 2. Only degrading DNA stopped transformation. 3. So DNA carried the information. _Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._

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