Biology, Pages 58-67
Biology in clear, easy-to-read language
Biology is a comprehensive life science program for your reluctant readers and those who require additional help to grasp basic biological and life science concepts. This full-color, easy-to-read textbook addresses all these needs.
Written to meet national guidelines, students learn about classification and organization; patterns of reproduction, growth, and development; the human body's systems; ecological cycles; and other basic biological building blocks.
Lexile Level 840 Reading Level 3-4 Interest Level 6-12
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Proteins , DNA , carbohydrates , and other molecules that distinguish living
matter from inanimate material are all composed of carbon atoms bonded to one
another and to atoms of other elements . Hydrogen ( H ) , oxygen ( O ) , nitrogen (
N ) ...
و Proteins and other very large molecules are the main focus of Chapter 5. In this
chapter , we investigate the properties of smaller molecules , using them to
illustrate a few concepts of molecular architecture that highlight carbon's
Organic compounds range from simple molecules , such as methane ( CH4 ) , to
colossal ones , such as proteins , with thousands of atoms and molecular masses
in excess of 100,000 daltons . Most organic compounds contain hydrogen ...