[NATS 1945] - Final Exam Guide - Comprehensive Notes for the exam (40 pages long!)

• School: York University
• Department: Natural Science
• Course: NATS 1945
• Professor: Robin Metcalfe

Document Summary

Nuclear fusion: the combining of nuclei in which the product nucleus is more massive than the original individual nuclei. A star"s energy comes from the fusion of h to he. It is believed that carbon was created from the fusion of stars, the star eventually exploded, spewing its debris into space. The following questions are from chapter 5 in textbook: describe how the growth of cells in our body is an example of a chain reaction with exponential growth. Chain reaction: a reaction in which a product leads to additional reactions. Example: if your body is wounded or cut, then the local cells start reproducing again. A method for replicating billions of dna cells for dna fingerprints. It takes advantage of the fact that dna is a molecule that is designed to duplicate itself. The procedure involves using chemicals that will trigger duplication of a segment of the.