BIOLOGY 1A03 Lecture 9: Lecture 9

• School: McMaster University
• Department: Biology
• Course: BIOLOGY 1A03
• Professor: Rosa Da Silva

Document Summary

Test 1 info: 7:00pm (90 min, 30 mc questions, 15 wa questions, content: theme 1 & 2, all applied lectures accept this friday. Translation requires: mrna, initiation factors, elongation factors, release factors, aminoacyl trna synthatases, trna, ribosomes. Cell change detection: cells detect changes in the enviornment, eg. highblood glucose > release insulin > low blood sugar . George beadle & edward tatum: in 1941 they studies the relationship between genes and enzymes, they examined 3 mutants of neurospora crassa (bread mold) How did they create these neurospora mutants: they created mutants by uv or x-ray treatments. What are some of the characteristics of the wild type: grows on minimal medium, since it is able to make all the amino acids and other substances that it requires to survive. What is minimal medium: it is support medium, which is combined only with molecules that are necessary for the growth. Thursday, february 5, 2015 of the wild-type individuals.