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AP Biology Gene Expression — practice questions — page 2

Explore 92 free Gene Expression questions in AP Biology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Gene Expression questions and exercises with answers

Showing questions 31–60 of 92.

Type the numberRead the answer and worked solution →DNA bingoRead the answer and worked solution →Which geneticist wrote that nothing makes sense in biology except in the light of evolution?Read the answer and worked solution →Which ancient Greek philosopher emphasized that species were static and unchanging?Read the answer and worked solution →Which Scottish geologist proposed that geological change accumulates gradually over long periods?Read the answer and worked solution →Darwin traveled around the world on HMS Beagle from:Read the answer and worked solution →The Galapagos Islands, where Darwin studied finches, lie west of:Read the answer and worked solution →Darwin noted seed-eating finches had which kind of beak?Read the answer and worked solution →Darwin's three principles behind natural selection: traits are inherited, more offspring are produced than survive, and:Read the answer and worked solution →Darwin and Wallace's understanding of limited resources came from reading economist:Read the answer and worked solution →Darwin called the change in populations over generations:Read the answer and worked solution →In 1858 Darwin and Wallace presented papers on natural selection at the:Read the answer and worked solution →Peter and Rosemary Grant have studied Galapagos finches every year since:Read the answer and worked solution →After an El Nino left few large hard seeds on Daphne Major, average finch bill size became:Read the answer and worked solution →The ultimate source of new alleles in a population is:Read the answer and worked solution →A snow leopard's thick fur that helps it survive the cold is an example of an:Read the answer and worked solution →Wings that evolved separately in bats and insects illustrate:Read the answer and worked solution →Bones in human, dog, bird and whale limbs sharing the same layout are:Read the answer and worked solution →Wings on flightless birds and hind leg bones in whales are examples of:Read the answer and worked solution →All vertebrate embryos, including humans, show which structures early in development?Read the answer and worked solution →The supercontinent Pangaea broke up about how many years ago?Read the answer and worked solution →A group of individuals that interbreed and produce fertile, viable offspring is a:Read the answer and worked solution →Speciation involving geographic separation of populations is:Read the answer and worked solution →The northern and Mexican spotted owls are an example of:Read the answer and worked solution →Catch the evidence for evolutionRead the answer and worked solution →Pop the evolution thinkersRead the answer and worked solution →Run the evolution timelineRead the answer and worked solution →Slice the evolution wordsRead the answer and worked solution →Convergent or divergentRead the answer and worked solution →Sort thinkers, evidence and speciationRead the answer and worked solution →

Worked practice questions

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Questions
  1. Answer
    23
    Question
    Pairs of chromosomes in a human cell
  2. Answer
    1962
    Question
    Year Watson, Crick and Wilkins won the Nobel Prize
  3. Answer
    2
    Question
    Hydrogen bonds between adenine and thymine
  4. Answer
    3
    Question
    Hydrogen bonds between cytosine and guanine
  5. Answer
    10
    Question
    Base pairs per turn of the helix
  6. Answer
    42
    Question
    Minutes E. coli takes to replicate its chromosome, about
Instructions
Type the number only.
_Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._

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DNA bingo

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Clues and terms
  1. Clue
    Griffith's R strain turns deadly.
    Item
    Transformation
  2. Clue
    A equals T, G equals C.
    Item
    Chargaff
  3. Clue
    Watson and Crick's model.
    Item
    Double helix
  4. Clue
    Strands run opposite ways.
    Item
    Antiparallel
  5. Clue
    DNA wrapped on histones.
    Item
    Nucleosome
  6. Clue
    Unzips the helix.
    Item
    Helicase
  7. Clue
    Lagging strand fragments.
    Item
    Okazaki
  8. Clue
    Rebuilds chromosome ends.
    Item
    Telomerase
  9. Clue
    Insertion shifts the reading.
    Item
    Frameshift
Instructions
Read each clue and tap the term it describes.
_Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._

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Which geneticist wrote that nothing makes sense in biology except in the light of evolution?

  1. Theodosius Dobzhansky
  2. Jean-Baptiste Lamarck
  3. Alfred Russel Wallace
  4. Charles Lyell of London
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Correct answer: A. Theodosius Dobzhansky

1. He was a Ukrainian-born American geneticist. 2. Dobzhansky wrote the famous line. 3. Evolution is the unifying theory of biology. _Source: OpenStax Biology 2e, Chapter 18, Evolution and the Origin of Species (CC BY 4.0)._

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Ecology and the BiosphereEvolution and the Origin of SpeciesDNA Structure and FunctionCell StructureBiological MacromoleculesCellular RespirationMetabolismPhotosynthesis