17.0 Flashcards
Nucleotides
Information content of genes are in specific sequences
The DNA inherited by an organism leads to specific traits by dictating the synthesis of ____
Proteins
Proteins are the links btw ___ and _____
Genotype and phenotype
The process by which DNA directs protein synthesis
Gene expression
Two stages of gene expression
Transcription and translation
What was the name of the British physician who first suggested that genes dictate phenotypes through enzymes that catalyze specific chemical reactions
Archibald Garrod
What did Archibald Garrod hypothesize?
Symptoms of inherited disease reflects an inability to synthesize a certain enzyme
Metabolic pathway
Cells synthesize and degrade molecules in a series of steps
Who exposed the bread bold to X-rays and created mutants that were unable to survive on minimal media
George Beadle and Edward Tatum
What did George Beadle and Edward Tatum develop
One gene-one enzyme hypothesis
What is the one gene-one enzyme hypothesis?
Each gene dictates production of a specific enzyme
