Auburn Chapter 12
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| 1. Avery’s experiments showed that bacteria are transformed by | show 🗑
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| 2. What did Griffith observe when he injected a mixture of heat-killed, disease-causing bacteria and live harmless bacteria into mice? | show 🗑
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| show | Both the virus’s protein coat and its DNA were injected into the bacteria.
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| 5. Which of the following is a nucleotide found in DNA? | show 🗑
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| 6. Because of base pairing in DNA, the percentage of | show 🗑
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| 7. In eukaryotes, DNA | show 🗑
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| 8. During mitosis, the | show 🗑
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| 9. Which of the following include all the others? | show 🗑
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| show | replication.
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| show | each with one new strand and one original strand.
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| show | GATCCA
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| show | ribose
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| show | uracil
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| show | phosphate groups, guanine, and cytosine
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| 16. How many main types of RNA are there? | show 🗑
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| 17. Which type(s) of RNA is(are) involved in protein synthesis? | show 🗑
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| show | mRNA, tRNA, and rRNA
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| show | RNA molecules
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| 20. During transcription, an RNA molecule is formed | show 🗑
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| show | Introns are sequences of DNA
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| 23. How many codons are needed to specify three amino acids? | show 🗑
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| show | There are 64 different kinds of codons but only 20 amino acids
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| show | The cell uses information from messenger RNA to produce proteins.
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| show | intron
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| 27. During translation, the type of amino acid that is added to the growing polypeptide depends on the | show 🗑
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| 28. Genes contain instructions for assembling | show 🗑
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| show | mRNA
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| show | The instructions for making some proteins are not specified by genes.
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| show | point mutation
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| show | inversion
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| 33. Which of the following is NEVER a frameshift mutation? | show 🗑
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| 34. A promoter is a | show 🗑
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| show | Proteins that bind to regulatory sites on DNA determine whether a gene is expressed.
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| show | turned on and off at different times
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| 37. In E. coli, the lac operon controls the | show 🗑
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| 38. A lac repressor turns off the lac genes by | show 🗑
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| 39. When E. coli is grown on glucose, | show 🗑
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| 40. Which of the following is NOT generally part of a eukaryotic gene? | show 🗑
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| show | allows for cell specialization.
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| show | do not need the proteins that are specified by certain genes.
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| 43. Hox genes determine an animal’s | show 🗑
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| show | Hox genes that are found in different animals are very different from each other.
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| 45. Hox genes | show 🗑
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| 46. The replication of a DNA molecule results in four copies of the same gene. | show 🗑
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| show | False
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| show | False
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| 49. If a nucleic acid contains uracil, it is DNA. | show 🗑
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| 50. The nitrogenous bases in RNA are able to form hydrogen bonds with each other. | show 🗑
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| 51. During DNA replication, only one strand of DNA serves as a template. | show 🗑
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| 52. A codon consists of four nucleotides. | show 🗑
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| 53. The anticodon AGA is complementary to the codon TCT. | show 🗑
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| 54. Genes determine a person’s eye color by coding for nitrogenous bases that affect eye color. | show 🗑
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| show | True
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| 56. Without regulatory sites, the expression of a gene would not be controlled. | show 🗑
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| show | True
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| 58. Gene regulation in eukaryotes is less complex than in prokaryotes. | show 🗑
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| 59. The TATA box in eukaryotes helps to ensure transcription. | show 🗑
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| 60. In fruit flies, the hox gene that controls the development of the wings is located before the hox gene that controls the development of the eye and before the hox gene that controls the development of the abdomen. | show 🗑
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| 61. The structure labeled X in Figure 12–1 is a(an) | show 🗑
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| 62. The Watson and Crick model of DNA is a(an) _________________________, in which two strands are wound around each other. | show 🗑
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| 63. Chromatin contains proteins called | show 🗑
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| show | cytosine, uracil
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| show | RNA
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| 66. During transcription, the _________________________ between base pairs are broken. | show 🗑
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| show | amino acids
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| 68. There is no ____________________ that is specified by a stop codon on an mRNA molecule. | show 🗑
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| show | anticodon
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| 70. Suppose that part of an amino acid sequence of a protein changed from tyrosine-proline-glycine-alanine to tyrosine-histidine-glycine-alanine. This change was most likely caused by a point mutation called a(an) | show 🗑
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| 71. A point mutation will cause the cell to make an incomplete polypeptide if the mutation results in a(an) | show 🗑
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| 72. A typical gene consists of regulatory sites, a(an) ____________________, and the nucleotide sequence that is transcribed. | show 🗑
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| show | lactose
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| 74. In eukaryotes, proteins that attract RNA polymerase bind to ____________________ sequences in DNA. | show 🗑
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| show | DNA molecule.
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| show | the genetic code
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