GBIO 151 1st Edition Lecture 2 Outline of Last Lecture I Science II III The Scientific Method a Observations b Hypothesis c Variables The Purpose of Science Outline of Current Lecture IV Biology a Organization b Metabolism c Growth d Reproduction e Stimuli f Homeostasis g Adapt V Central Dogma Current Lecture IV Biology Biology is the study of life Life can be determined by its characteristics There are 8 major accept characteristics that separate living and non living things a Organization i Complex highly and precisely organized structure consisting of organic molecules b Metabolism i Increase in energy catabolism respiration aerobic and anaerobic by autotrophs and heterotrophs and fermentation occur in this stage ii Decrease in energy anabolism c Growth i Increase In biomass These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute d Reproduction i Increase in numbers e Stimuli Respond f Homeostasis i Constant of conditions has the ability to maintain its complex structure and internal environment g Movement i Molecular motion h Adapt i Adapts to environmental changes which results in evolution Characteristics are dependent upon the following properties V A Evolution B Transmission of Information C Energy Transformation Central Dogma a DNA RNA protein b DNA macromolecule that contains info c RNA info is converted to RNA transcription and then used to produce proteins that control biochemical reactions translation