Term
| Which of the following is a characteristic of genetic material? |
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Definition
It contains all the information needed for growth, development, and reproduction of the organism.
It must be able to replicated accurately.
It must be able to change.
It is composed of DNA. |
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Term
| In 1928, Frederick Griffith established that _____. |
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Definition
| heat-killed bacteria harbor the constituent(s) necessary to convey genetic properties to living bacteria |
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Term
| To be certain that the extract prepared from virulent cells still contained the transforming principle that was present prior to lysis, Avery _______. |
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Definition
| incubated nonvirulent cells with the complete extract |
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Term
| If Avery had observed transformation using only the extracts containing degraded DNA, degraded RNA, and degraded protein, but NOT the extract containing degraded polysaccharides, he would have concluded that _______. |
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Definition
| polysaccharides are the genetic material |
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Term
| The Hershey and Chase experiments involved the preparation of two different types of radioactively labeled phage. Which of the following best explains why two preparations were required? |
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Definition
| It was necessary that each of the two phage components, DNA and protein, be identifiable upon recovery at the end of the experiment. |
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Term
| Which of the following statements best represents the central conclusion of the Hershey-Chase experiments? |
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Definition
| Dna is the identity of the hereditary material in phage T2. |
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Term
| Which of the following outcomes would be most likely if the Hershey-Chase experiments were repeated without the step involving the blender? |
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Definition
| Both preparations of infected bacteria would exhibit radioactivity. |
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Term
| The classic Hershey and Chase (1952) experiment that offered evidence in support of DNA being the genetic material in bacteriophages made use of which of the following labeled component(s)? |
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Definition
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Term
| The transforming principle discovered by Griffith is _____. |
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Definition
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Term
| In RNA, _____ is present instead of ______ in DNA. |
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Definition
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Term
| Identify three possible components of a DNA nucleotide. |
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Definition
| Deoxyribose, phosphate group, thymine |
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Term
| ____ and _____ are present in both DNA and RNA |
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Definition
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Term
| In ribose, the 2' C has an _____ attached to it. |
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Definition
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Term
| What are the two major components of the Tobacco Mosaic Virus? |
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Definition
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