BIO 210 Study Guide – Exam 1 Chapters 1-3 & Prerequisites Name______________________________ **Also follow the objectives!** Chapter 1: 1. List the nine different levels of organization in order, from smallest to largest. Give one example of each. **Look on the objectives list, it breaks the six into nine! 2. List the six characteristics of all living things. 3. What is homeostasis? a. Why is it important for living things? 4. Use the following words in a sentence (or two): set point, fluctuation, normal range, homeostasis 5. Define and give an example of each: a. negative feedback b. positive feedback 6. In the control of increased body temperature (beyond normal limits), what is/are the a. stimulus: b. response: c. negative or positive feedback? 7. Define: a. Parietal pericardium b. Visceral peritoneum c. Parietal pleura Chapter 2: 8. Complete the chart: Subatomic particle Proton Neutron Electron Charge Location in atom Mass--heavy or light? 9. Using Ch. 2 & the Periodic Table (Appendix), complete the following chart. Element Name Atomic Number H C N O Na P Cl K Ca Fe 10. Which four elements are most common in the human body? 11. Complete the chart. Bond Describe electrons, etc. Ionic Covalent – polar Covalent – non-polar Hydrogen Example 12. Give an example of each: a. cation b. anion 13. Circle the reactants: HCl + NaOH NaCl + H2O 14. List three factors that could increase the rate of a chemical reaction. 15. Give an example of a dehydration synthesis reaction: 16. Give an example of a hydrolysis reaction: 17. Complete the chart. Solution Acid Base Neutral pH range Ion Concentrations (H+, OH-) Example 18. List and describe the four properties of water that are important for living things. 19. Complete the chart. Macromolecule Monomers Elements Example Unique Extras to define (basic subunits that make it up) Carbohydrates Monosaccharide: Disaccharide: Polysaccharide: Lipids Saturated: Unsaturated: Phospholipid: Proteins Primary Structure: Secondary: Tertiary: Quaternary: Nucleic Acids mRNA: tRNA: rRNA: 20. Define denaturation, including its effect on the protein. 21. Describe an enzyme-catalysed reaction, using the following terms: substrate, active site, enzyme, activation energy, product, reused. 22. Describe the ATP ADP + P reaction—why does this reaction take place in your cells, and what’s the significance of it? Chapter 3: 23. Complete the chart. Cell Structure Function Plasma membrane Cytoplasm Nucleus Cytoskeleton Cell Structure, cont. Centrioles Ribosomes ER (smooth, rough) Golgi Apparatus Lysosomes Peroxisomes Mitochondria Function, cont. 24. List the components of the plasma membrane. 25. List 5 functions of cell membrane proteins. 26. Define: a. b. c. 27. Describe: a. Cilia Flagella Microvilli Passive transport: i. Diffusion ii. Osmosis iii. Facilitated diffusion b. Active transport: i. Protein pump (Na+/K+) ii. Secondary active transport iii. Endocytosis iv. Exocytosis 28. Describe the main steps of DNA replication. 29. Describe the main steps of transcription. 30. Describe the main steps of translation. 31. Complete the chart. DNA (1 strand is shown) A T G C C C T A G mRNA (transcribe the given DNA) tRNA (complementary base pairing to mRNA) 32. Fill in the blanks. Proteins are made at ___________________ sent to the _____________ ______________ and then sent to the ___________ ___________________ for sorting and packaging into vesicles. If the vesicle remains in the cell, it may become a _______________, full of hydrolytic enzymes. If the vesicle consists of hormones that need to be secreted from the cell, they will leave the cell through the process of _______________. The vesicle’s phospholipids then become part of the _________ ____________. 33. Describe the following phases: a. Interphase b. Cell division i. Mitosis 1. prophase 2. metaphase 3. anaphase 4. telophase ii. Cytokinesis