Unit 3 bio

Unit 3 bio - Unit 3 Chemicals(including water and pH...

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Unformatted text preview: Unit 3 - Chemicals (including water and pH), molecules (monomers and polymers, dehydration synthesis and hydrolysis), cells and cell theory, membranes and transport 3.1 The nature of molecules Chap 2 Learning Goals: (It is expected that the students will be familiar with basic chemistry principles as presented in chapter 2 (2.1 – 2.3). Read this section if you are not familiar with this material.) The student should be able to: • Be able to define and discus the roles of atoms, elements, isotopes, ions, electrons, neutrons and protons • Define ionic and covalent bonds and know why each is valuable • Understand oxidation and reduction reactions • Describe why and how temperature, concentration and catalysts affect chemical reactions • Know what water is, what unique properties it has and why it has these properties • Know what pH, acid, base and buffers are and how they are related to each other • Be able to apply waters properties and pH to real life situations 3.2 Chemical building blocks of life Chap 3, and 903-904 Learning Goals: • Explain the purpose of reducing foodstuffs to their basic subunits (monomers) and rebuilding them in the body • Know the four major macromolecular classes (polymers), their general function in the body, and what makes them unique • Macromolecular structure of four macromolecule classes • Know the subunits that make up each macromolecule class • Compare the process of synthesis and degradation from monomers to polymers for each macromolecule (hydrolysis and dehydration synthesis) • The role of enzymes in hydrolysis and dehydration synthesis • Explain the relevance of essential and non-essential foods • Know the role of vitamins and minerals • Compare energy metabolism, basal metabolic rate, caloric measurements, conservation of mass, quantity vs quality, nutrients 1 3.3 Cell structure Chap 5 Learning Goals: The student should be able to: • Argue the advantages and disadvantages of being a single cell vs. multicellular organism • Multicellular : more specialized, harder to eliminate, more to go wrong, more efficient, communication needed • Single : able to hide from predators easier, simpler system so less can go wrong, less energy needed, limited in actions, dies easier • Appreciate the benefits of cellular specialization and the range of cellular variability • Define a cell and be able to describe major organelle structure and function. • Cell : smallest living unit, must contain nuclei or nucleus, cytoplasm, and plasma membrane; can be prokaryotic (no defined nucleus) or eukaryotic (nuclei surrounded by a membrane) • Nucleus : stores the genetic material necessary for all activities of a eukaryotic cell, erythrocytes (red blood cells) lose nuclei when they mature • Nucleolus : dark zone where synthesis of RNA takes place • Nuclear Envelope : made up of two phospholipids bilayer membranes, have nuclear pores where membranes are pinched together that have proteins that only allow proteins for nuclear structures or catalysts and...
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This note was uploaded on 04/18/2008 for the course BIO 102 taught by Professor Haworth during the Spring '08 term at Marquette.

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Unit 3 bio - Unit 3 Chemicals(including water and pH...

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