McGraw-Hill OnlineMcGraw-Hill Higher EducationLearning Center
Student Center | Instructor Center | Information Center | Home
Glossary
Plant Tissues
Botany Issues Map
Botany Careers
Scientific Names
Biological Controls
Useful Plants
Houseplants
Metric Conversions
Chapter Outline
Chapter Summary
Web Links
Multiple Choice Quiz
Concept Quiz
Feedback
Help Center


Plants and Society, 4/e
Dr. Estelle Levetin, University of Tulsa
Karen McMahon, University of Tulsa
Plants in Our Lives

Concept Quiz



1

Plants are crucial to the existence of many organisms, including human beings.

Could life on Earth exist without plants? Explain.
2

The four major groups of macromolecules in living organisms are carbohydrates, proteins, lipids, and nucleic acids.

What are the primary roles of each of the molecules?
3

Many plants produce chemical compounds known as secondary metabolites.

What are the advantages of these compounds to the plants that secrete them?








Copyright2006 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.