Chap 4   Chapter 5 Self Quiz: DNA, Gene Expression, and Biotechnology   Chap 6

  1. The base pairing in DNA is:
    1. A pairs with T, G pairs with C (correct)
    2. A pairs with C, G pairs with T (wrong)
    3. A pairs with G, C pairs with T (wrong)
    4. T pairs with G, C pairs with A (wrong)
  2. The full set of genetic material present in an organism is called its
    1. traits (wrong)
    2. phenotype (wrong)
    3. genotype (wrong)
    4. genes (wrong)
    5. genome (correct)
  3. Your phenotype is determined by your
    1. carbohydrates (wrong)
    2. lipids (wrong)
    3. genotype (correct)
    4. mitochondria (wrong)
    5. ribosomes (wrong)
  4. Transcription produces ________, while translation produces ________ .
    1. proteins, mRNA (wrong)
    2. DNA, mRNA (wrong)
    3. DNA, proteins (wrong)
    4. proteins, DNA (wrong)
    5. mRNA, proteins (correct)
  5. A DNA sequence of ACG will produce an RNA transcript with this sequence:
    1. UGC (correct)
    2. TGC (wrong)
    3. GCA (wrong)
    4. TUC (wrong)
    5. UAC (wrong)
  6. During translation, the attachment site on the ________ binds to a three-base codon on the ________ .
    1. mRNA, tRNA (wrong)
    2. tRNA, DNA (wrong)
    3. DNA, tRNA (wrong)
    4. mRNA, DNA (wrong)
    5. tRNA, mRNA (correct)
  7. Use the genetic code to find a codon on the mRNA that specifies the amino acid Lysine:
    1. AAA (correct)
    2. TTT (wrong)
    3. UUU (wrong)
    4. AAU (wrong)
    5. AUG (wrong)
  8. The molecule shown in this diagram is a(n)
    1. mRNA (wrong)
    2. ribosome (wrong)
    3. codon (wrong)
    4. intron (wrong)
    5. tRNA (correct)
  9. Which kind of event can lead to frame-shift mutations?
    1. deletion (correct)
    2. base substitution (wrong)
    3. translation (wrong)
    4. transcription (wrong)
    5. DNA fingerprint (wrong)
  10. Use the genetic code to find an insertion mutation in the DNA that causes the amino acid change from ser (Serine) to glu (Glutamate).
    1. insert G before AGU to mutate to GAG (wrong)
    2. insert G before AGC to mutate to GAG (wrong)
    3. insert C before TCG to mutate to CTC (correct)
    4. insert C before AAA to mutate to CAA (wrong)
    5. insert G before AAA to mutate to GAA (wrong)
  11. Recombinant DNA can be produced by
    1. DNA polymerase (wrong)
    2. restriction enzymes (correct)
    3. ribosomes (wrong)
    4. mRNA (wrong)
    5. RNA polymerase (wrong)
  12. Bt extracted from Bacillus thuringiensis has allowed GM plants to acquire which trait?
    1. pest resistance (correct)
    2. herbicide resistance (wrong)
    3. larger yields (wrong)
    4. cold tolerance (wrong)
    5. heat tolerance (wrong)
  13. Dolly the lamb was cloned using the technique called
    1. zygote shock (wrong)
    2. gel imprinting (wrong)
    3. blastocyst splitting (wrong)
    4. nuclear transfer (correct)
    5. restriction fragment cloning (wrong)

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