Ch.10 Test Retake Assignment- Answer on a separate sheet of paper

Short Answer

43.Explain how the bacteria in Griffith’s experiment were transformed.

44.What is a bacteriophage?

45.What causes translation to stop?

46.What is the template mechanism of DNA replication?

47.What is the “one gene–one polypeptide” hypothesis?

48.What are the three main parts of an RNA nucleotide?

49.If codons consisted of fewer than 3 bases, could they still code for 20 amino acids?

50.What must happen to a DNA molecule before RNA polymerase can make RNA?

51.If the percentage of guanine in the DNA of a certain species decreased by 5 percent over time, what would you expect to have happened to the percentage of adenine in that DNA?

52.What is a mutation?

Figure 11-1

53.Observing How are structures A and B in Figure 11-1 related?

54.Observing What is structure E in Figure 11-1? What does it code for?

55.Predicting What would happen to structure F in Figure 11-1 if structure C were deleted?

56.Observing Identify structure F in Figure 11-1. What does it specify?

57.Inferring From which labeled structure in Figure 11-1 is structure D made? Identify that labeled structure.

58.Predicting In Figure 11-1, what effect would the deletion of structure C have on the process that occurs during step Y?

Figure 11-2

59.Observing Identify structure X in Figure 11-2.

60.Observing What molecule’s structure is illustrated in Figure 11-2?

61.InferringWhat are the dashed lines shown in Figure 11-2? How do they relate to the rules for base pairing?

62.Observing What is the twisting shape of the molecule in Figure 11-2 called?

63.ObservingWhat is a pyrimidine? Identify two pyrimidines in Figure 11-2.

64.ObservingWhat is a purine? Identify two purines in Figure 11-2.

Essay

65.Describe the process in which an RNA transcript is converted into a final mRNA.

66.Contrast the functions of the three main types of RNA.

67.Why do some kinds of mutations cause greater changes in proteins than others?

68.Describe some causes of mutations. Use the term mutagen in your answer.

69.Describe the Hershey-Chase experiment. Why were the results important?

70.Describe the structure of a DNA molecule.

71.Describe the process of DNA replication in eukaryotes.

72.How does transcription differ from DNA replication? Describe at least four differences.