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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es carbon dioxide molecule ( CO2 ) , a single carbon atom is joined to two atoms
of oxygen by double covalent bonds . The structural formula for CO2 is shown
here : O = C = 0 Each line in a structural formula represents a pair of shared ...
Figure 4.5 Variations in carbon skeletons . Hydrocarbons , organic molecules
consisting only of carbon and hydrogen , illustrate the diversity of the carbon
skeletons of organic molecules . Hydrocarbons All the molecules shown in
Figures 4.3 ...
Carbon can bond to a aj variety of atoms , including O , H , and N. Carbon atoms
can also bond to other carbons , forming the carbon skeletons of organic
compounds . · Molecular Diversity Arising from Carbon Skeleton Variation The