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10 Cards in this Set
- Front
- Back
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Whose laboratory did Rosalind Franklin use for her work?
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Maurice Wilkins's laboratory
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What were the names of the two men who dsicovered the double helix shape of DNA?
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James Watson and Francis Crick
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What scientist discovered that the amounts of Adenine and Thymine and Cytosine and guanine are equal in the DNA molecule?
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Erwin Chargaff
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Name the three parts of a nucleotide.
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Dexoyribose (a sugar), a phosphate, and a base (which can change) A, T, C, or G
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Three bases code for a particular_________?
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amino acid
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Proteins are made up of________?
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Amino acids
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Name 5 animo acids from our text!
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Valine, threonine, glutamine, glutamic acid, lysine, proline
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Name the three types of mutations that can occur in a gene.
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A deletion, a substitution, and a insertion. A deletion removes a necessary base pair, a substitution switches a basepair for another one, and an insertion adds another base pair where none is needed.
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Tell the three effects of mutaitons on an organism.
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The change can be harmful - causes a structural or health defect, helpful - improves overall health or function of the organism, or neutral - it has no effect on the organism.
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Define a mutagen
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a mutagen is a substance which causes a change in DNA. Examples include tobacco, toxins, radiation, and asbestos, as well a others.
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