General Biology Chapter 1-5 Review Chapter 1 1. Arrange the following components in the correct order starting with the simplest structure: A. atom, cell, organ, organelle, tissue, organ system, macromolecule, molecule. B. population, organism, species, biosphere, ecosystem, community. 2. What is DNA made up of? Describe the physical structure of DNA. 3. List the differences between DNA and RNA (structure, function, nucleotides, etc.)? Chapter 2 1. What does an atom consist of? Draw an atom with all of its components in the correct location. 2. An atom is defined by its ___________ ______________. 3. Define the following: Atomic mass: Isotope: 4. Define and list the differences between ionic and covalent bonds. 5. What is the role of a buffer system? Catalyst? 6. List the following bonds in increasing bond strengths: ionic bond, covalent bond, hydrogen bond. 7. List the number of protons, neutrons, and electrons of a neutral Iodide atom. Chapter 3 1. Fill in the missing information: macromolecule Polymer Starch monomer Nucleic acid polypeptide fatty acids 2. Describe the functions of each class of molecules: 3. Define and list differences between dehydration synthesis and hydrolysis, list an example of each. 4. Describe the four levels of protein organization: 5. Describe and draw the structure of a phospholipid bilayer. Chapter 4 1. Describe the differences between prokaryote and eukaryote cells: 2. Describe the common features and differences between plant cells, animal cells, and protists. 3. List the functions of the following cell organelles: a. Rough Endoplasmic Reticulum (RER)- b. Smooth Endoplasmic Reticulum (SER)- c. Golgi apparatus- d. lysosomes- 5. Define and describe the differences between mitochondria and chloroplast.