Biology: Life on Earth |
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Page 40
... sugars or polymers of sugar , such as starch . If a car- bohydrate consists of just one sugar molecule , it is called a monosaccharide ( Greek for " single sugar " ) . When two monosaccharides are linked , they form a disaccharide ( " two ...
... sugars or polymers of sugar , such as starch . If a car- bohydrate consists of just one sugar molecule , it is called a monosaccharide ( Greek for " single sugar " ) . When two monosaccharides are linked , they form a disaccharide ( " two ...
Page 64
... sugar molecules . Consider a bag made of a special plastic that is per- meable to water but not to sugar . What will happen if we pour a sugar solution in the bag and then immerse the sealed bag in pure water ? The principles of osmosis ...
... sugar molecules . Consider a bag made of a special plastic that is per- meable to water but not to sugar . What will happen if we pour a sugar solution in the bag and then immerse the sealed bag in pure water ? The principles of osmosis ...
Page 102
... sugar con- tain much more energy than molecules of carbon dioxide and water , so the reaction releases energy . En- ergy release allows exergonic reactions to occur without a net input of energy . Once ignited , sugar will continue to ...
... sugar con- tain much more energy than molecules of carbon dioxide and water , so the reaction releases energy . En- ergy release allows exergonic reactions to occur without a net input of energy . Once ignited , sugar will continue to ...
Contents
Why Preserve Biodiversity? | 14 |
CASE STUDY REVISITED Life on Earthand Elsewhere? | 16 |
UNIT ONE THE LIFE OF A CELL | 19 |
Copyright | |
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allele amino acids animals antibodies atoms auxin bacteria blood cells body bonds bone brain called capillaries carbon cause cell division cell walls cellular cellular respiration Chapter chemical chromosomes color concentration contains cycle cytoplasm diffusion digestive diploid disease electron embryo endergonic reactions energy environment enzymes eukaryotic eukaryotic cells evolution evolutionary evolved example female fertilization FIGURE flowers fluid fossils function fungi gametes gametophyte gene genetic glands glucose haploid hormones human hydrogen immune infected intestine ions kidneys layer light-dependent reactions lungs male mammals Media Activity meiosis metabolism molecules mRNA muscle mutations natural selection nervous system neurons nucleotides nucleus nutrients occurs offspring organisms oxygen photosynthesis plants plasma membrane pollen population produce prokaryotic proteins protists reactions receptors release reproduction ribosomes root seed sexual species sperm spores stem stimulates strand structures sugar synthesize tion tissue transport tube types vascular vertebrates viruses X chromosome xylem