Judith S. de Nuño

Science at Marymount

Office Hours
Daily at Lunch in the Science Patio

Cyber Office Hours
AIM: teachsci23

Chapter 2 and 3 Objectives

  • distinguish between element and compound
  • distinguish between atom and molecule
  • distinguish between atom and ion
  • distinguish between atom and isotope
  • list the major elements found in all living creatures
  • distinguish among covalent, ionic, and hydrogen bonds
  • differentiate between organic and inorganic compounds
  • differentiate among functional groups
  • describe the charactristics of the 4 major groups of organic compounds
    • carbohydrates, lipids, proteins, nucleic acids
  • recognize the chemical and structural formulas of the 4 major groups of organic compounds
  • desribe the role of the 4 major groups of organic compounds in living systems
  • describe the properties of water
  • describe the properties of acids and bases and their importance in living systems
  • apply the pH scale to living systems
  • describe the role of plants in cleaning up the environment (phytoremediation)
  • describe the use of radioisotopes in medicine
  • describe dehydration synthesis and hydrolysis reactions in living systems
  • describe the 4 levels of protein structure

Chapters 2 and 3 Outline Framework

  • Outline Frameworks for each Chapter of Biology: the Unity and Diversity of Life are available on the
    The Textbook Site
  • Copy and Paste in a your Word Processor
  • Add notes and definitions to make the outline personal, useful, and specific to the unit we are studying!
  • Put in notebook for homework check

back to top

Chapters 2 and 3 Questions

  • all review and self-quiz questions for Chapters 2 and 3
  • select ONE of the Critical Thinking questions from Chapter 3 to answer
  • HINT: refer to chart on page 50 of text for an overall summary of main organic compounds

Chapters 2 and 3 Terms:

acid hydrophobic substance temperature lipid
atom hydroxide ion tracer nucleic acid
atomic number ion alcohol nucleotide
base ionic bond amino acid oligosaccharride
buffer isotope ATP organic compound
chemical bond mass number carbohydrate phospholipid
compound molecule chemical messenger phytoremediation
covalent bond neutron condensation polypeptide chain
electron pH scale DNA polysaccharide
element proton enzyme protein
evaporation radioisotope fatty acid RNA
hydrogen bond salt functional group sterol
hydrogen ion solute hydrocarbon triglyceride
hydrophilic substance solvent hydrolysis wax


Chapter WebLinks


Anatomy AP Biology Biology Honors Chemistry
Anatomy Projects  Biology Honors Projects Chemistry Projects
bone images  flower images   micro-images    leaf images   carbon models   periodic table
science images hotlist    grandeur    anatomy art gallery
Webquest on Science Webquests   Virtual Tours with a Science Twist

Animated Graphics
Courtesy of
Jo's World
back to top