Chapter 17 From Gene to Protein - Perry Local

Chapter 17 From Gene to Protein

? Describe the structure of DNA. What is its elemental makeup? Name the subunit that makes up DNA. What components make up the DNA molecule? How are the two strands related and connected? How are they different?

Question?

? How does DNA control a cell? ? By controlling Protein Synthesis. ? Proteins are the link between genotype

and phenotype.

1909 - Archibald Garrod

? Suggested genes control enzymes that catalyze chemical processes in cells.

? Inherited Diseases - "inborn errors of metabolism" where a person can't make an enzyme.

Example

? Alkaptonuria - where urine turns black after exposure to air.

? Lacks - an enzyme to metabolize alkapton.

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