4 Macromolecules

4 Macromolecules - Pass out papers & progress...

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Unformatted text preview: Pass out papers & progress reports Talk about how to study for EXAMS QUIZ over the assigned reading 5.1-5.2 You may use your notes. Macromolecule Notes Lessons 1-2 Start studying early! Do not wait until the last minute to study you will not retain the information. The KEY is to practice, practice, practice! Go over vocab and concepts again and again. Teach someone else the concepts. If you really understand something, you should be able to explain it to someone else without using any notes. Make note cards to drill yourself. On one side put the term or concept and on the other side write the definition or explanation. Dont just make the note cards, though, practice with them! Draw pictures, diagrams, and/or use the words and concepts in sentences to help you remember them. Make up silly sayings in order to remember difficult concepts or the order of things. (Ex: King Philip Came Over. . . For Kingdom, Phylum, Class Order. . .). It might be silly, but it works! Biology Book: Exploring Life * *Can be accessed through my Web Backpack Objective 4130.04 B: The student understands cell functions involve specific chemical reactions. a. Food molecules taken into cells provide the chemicals needed to synthesize other molecules. b. Enzymes catalyze both breakdown and synthesis in the cell. MACROMOLECULES UNIT (CHAPTER 5) How many valence electrons does Carbon have? (Hint: Carbons atomic number = 6) 1 st energy level: 2 2 nd energy level: 4 Carbon can make more than one bond with more than one atom; it doesnt just have to share all 4 e- with one other atom. Question: How many bonds can Carbon form with other atoms? Answer: 4 Carbon can form up to 4 bonds with other atoms, including other carbon atoms, making an endless variety of carbon skeletons ! The pictures to the right represent molecules. Elements symbols are used to represent them. Ex: H =hydrogen; C =carbon The lines drawn connecting the symbols represent one electron pair being shared between the two atoms. Ex: C-HC & H each share one electron (so two electrons are being shared total) Ex: C=Heach share two electrons (so four electrons are being shared total) Most carbon-based molecules are classified as organic molecules ....
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4 Macromolecules - Pass out papers & progress...

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