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Foundations of Biology 1 - Exam 1 Study Guide

by: Lexie Kostreva

Foundations of Biology 1 - Exam 1 Study Guide Biology 221

Marketplace > University of Wisconsin - Eau Claire > Biology > Biology 221 > Foundations of Biology 1 Exam 1 Study Guide
Lexie Kostreva

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About this Document

These are questions to help you review for the exam from chapters 2,3, and 4 along with an answer key to check how you are doing.
Foundations of Biology 1
Daniel P. Herman
Study Guide
Biology, cells, Chemistry, atoms, compounds
50 ?




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This 4 page Study Guide was uploaded by Lexie Kostreva on Thursday September 22, 2016. The Study Guide belongs to Biology 221 at University of Wisconsin - Eau Claire taught by Daniel P. Herman in Fall 2016. Since its upload, it has received 355 views. For similar materials see Foundations of Biology 1 in Biology at University of Wisconsin - Eau Claire.


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Date Created: 09/22/16
Biology 221 Exam 1 Study Guide Short Answer 1. Why do we need to know Chemistry to study Biology? 2. What is the difference between a physical and a chemical reaction? 3. Why is water important in Biology? 4. What are the different states of water, what is the temperature range of each state, and what happens to the Hydrogen bonds during each state? 5. List the 5 properties of water and a brief description of each property. 6. What makes a molecule organic? 7. What is the Cell Theory? 8. What are the functions of a cell wall? 9. What is the difference between the rough ER and the smooth ER? Match the Term with its Definition 1. Matter b) An atom that has gained or lost 2. Atoms one or more electrons 3. Molecules c) The smallest functional unit of 4. Compounds mass 5. Ion d) Genes present in the genome 6. Concentration and the different expressions of 7. Glycosidic Bond those genes 8. Energy e) Anything that has mass and 9. Organization 10.Information occupies space 11.Cell Matter f) Arrangement of molecules and structures 12.Molarity g) A covalent bond linking two 13. disaccharides 14. h) Each cell type produces a 15. 16. unique set of molecules 17. i) Molecule composed of two or more different elements 18. j) Number of moles of a solute 19. 20. dissolved in one liter of solution 21. k) Required to synthesize a) Amount of solute dissolved in a molecules and structures l) Two or more atoms bonded unit amount of solution together 22. 23. 24. Multiple Choice 1. What is Avagadro’s number? a. 6.022*10 23 b. 6.023*10 22 23 c. 6.203*10 2. What happens to amphipathic molecules in water? a. They turn their polar tails out and their nonpolar heads in b. They turn their polar heads out and their nonpolar heads in c. Nothing they are just like any other molecule 3. What is cohesion? a. The attraction of water molecules to each other b. The attraction of water molecules to non-neutral surfaces c. The attraction of water molecules to salt 4. What kind of bonds can Carbon form? a. Single b. Double c. Triple d. All of the above 5. What is th-6pH of pure water? a. 10 b. 10 7 c. 10 -7 6. Lipids are… a. Polar b. Nonpolar c. Sometimes both 7. DNA and RNA are both types of what? a. Proteins b. Nucleic Acids c. Amino Acids 8. Which is not a Prokaryotic cell shape? a. Rod shapes bacilli b. Sphere shaped cocci c. Comma shaped spirochaetes 25. True or False 1. A cation is an atom with a negative charge. 2. Valence electrons are on the innermost shell of the atom. 3. Atoms are the most stable when their outermost shell is not full. 4. An aqueous solution does not involve water. 5. Bases are substances that bind Hydrogen ions. 6. Carbohydrates are linked by Peptide bonds. 7. Anfinsen’s Dogma is a term related to starches. 8. Ribosomes are not cytoplasmic structures. Biology 221 Exam 1 Study Guide Answer Key Short Answer 1. We need to know Chemistry to study Biology because the activity of living organisms involve many chemical processes. 2. A physical reaction is a change of state, while a chemical reaction is a change that creates a new substance. 3. Water is important in Biology because it takes on many different roles. Water can create the perfect living environment, transfer nutrients around the body, be used as a solvent, and also act as a temperature buffer. 4. The different states of water a. Solid (ice) 0C i. Hydrogen bonds form complexes b. Liquid 0c < water < 100C i. Transient formation/breaking of hydrogen bonds c. Gas (water vapor) 100C i. Heat breaks hydrogen bonds and allows them to escape 5. The five properties of water a. Heat of vaporization i. Heat required to vaporize 1m of a substance at its boiling point b. Heat of fusion i. Amount of heat energy that must be released to change from liquid to solid c. Specific heat i. Amount of heat required to raise the temperature of 1g of a substance 1C d. Heat capacity i. Amount of heat required to raise the temperature of an entire object or substance e. Colligative properties i. Properties that depend only on the total number of dissolved solutes 6. What makes a molecule organic is that it is carbon containing and essential for life. 7. The cell theory is that all living organisms are composed of one or more cells and that new cells only come from preexisting cells through cell division 8. The functions of a cell wall are to give the cell shape, protect from viruses and bacteria, and survive bad living conditions. 9. The differences between smooth and rough ER are that the smooth ER is for the metabolism of harmful molecules, storage of calcium, and lipid synthesis, while the rough ER is for protein sorting, insertion of proteins and glycosylation. Match the Term with its Definition 1. E 2. C 3. L 4. I 5. B 6. A 7. G 8. K 9. F 10.D 11.H 12.J Multiple Choice 1. A 2. B 3. A 4. D 5. C 6. B 7. B 8. C True or False 1. False, a cation is an atom with a positive charge 2. False, valence electrons are found on the outermost shell of the atom 3. False, atoms are the most stable when their outermost shell is all the way full 4. False, an aqueous solution is made with water 5. True 6. False, carbohydrates are linked by glycosidic bonds 7. False, Anfinsen’s Dogma is a term related to proteins and amino acids 8. False, ribosomes are a cytoplasmic structure


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