General Biology
Homework Assignment 1: Chapters 1-3
Name ___________________________
Chapter 1
I. Word Bank: Define the following terms
- Science
- Biology
- Cell
- Hypothesis
- Theory
- Correlative
- Causative
- Discovery science
- Hypothesis-based science
- Inductive reasoning
- Deductive reasoning
- Independent variable
- Dependent variable
- Control
II. Short answer. Answer the following questions in complete sentences unless otherwise noted.
1. Describe the difference between a correlative event and a causative event. Provide an example of each.
2. List 4 ways in which the study of biology has contributed to our higher standard of living.
1 _____________________________________________________________
2_____________________________________________________________
3_____________________________________________________________
4_____________________________________________________________
3. List 5 ways in which we determine that an object is a living being:
1 _____________________________________________________________
2_____________________________________________________________
3_____________________________________________________________
4_____________________________________________________________
5_____________________________________________________________
Chapter 2
I. Word Bank: Define the following terms
- Atom
- Element
- Trace element
- Proton
- Neutron
- Electron
- Atomic number
- Atomic mass
- Isotope
- Molecule
- Compound
- Ion
- Ionic bond
- Covalent bond
- Hydrogen bond
- Solvent
- Solute
- Solution
- Acid
- Base
- Salt
II. Short answer. Answer the following questions in complete sentences unless otherwise noted.
1. Fill in the blanks in the following concept map to help you tie together the key concepts concerning elements, atoms, and molecules.
2. Compare and contrast covalent and ionic bonds.
3. Describe the difference between a polar and non-polar covalent bond. Give an example of a molecule that has a polar bond and one that has a non-polar bond.
4. Describe the four properties of water that make it essential to life on earth.
1 _____________________________________________________________
2_____________________________________________________________
3_____________________________________________________________
4_____________________________________________________________
Chapter 3
I. Word Bank: Define the following terms
- Organic molecule
- Isomer
- Monomer
- Polymer
- Dehydration synthesis
- Hydrolysis
- Simple sugar
- Complex carbohydrate
- Amino acid
- Protein
- Denature
- DNA
- RNA
- Chromosome
- ATP
- Saturated fat
- Unsaturated fat
- Phospholipid
- Steroid
- Cholesterol
II. Short answer. Answer the following questions in complete sentences unless otherwise noted.
1. Describe the difference between the four levels of protein structure (primary, secondary, tertiary and quaternary).
2. Define denaturation and identify which levels of protein structure listed above will be affected.
3. What are the base pairing rules of nucleic acids? Draw/describe the structure of DNA.
4. List three functions of DNA
1 _____________________________________________________________
2_____________________________________________________________
3_____________________________________________________________
5. Describe how you would make a saturated fat from an unsaturated fat. Why are saturated fats bad for you?