Elements of Biology: A Practical Text-book Correlating Botany, Zoology, and Human PhysiologyAmerican Book Company, 1907 - 445 páginas |
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Página 14
... known as a linen tester ) , two or three darning needles mounted in elder pith or in wooden handles , a good eraser , and a ruler marked with the metric system . A small pair of forceps , scissors , and a light , thin- bladed knife or ...
... known as a linen tester ) , two or three darning needles mounted in elder pith or in wooden handles , a good eraser , and a ruler marked with the metric system . A small pair of forceps , scissors , and a light , thin- bladed knife or ...
Página 16
... known to form nearly one half of the earth's surface , to form eight ninths of all water and over three fourths of the weight of the plants and animals inhabiting this world of ours . It has the very important chemical property of ...
... known to form nearly one half of the earth's surface , to form eight ninths of all water and over three fourths of the weight of the plants and animals inhabiting this world of ours . It has the very important chemical property of ...
Página 18
... known by the fact that it puts out a flame and that it turns limewater milky . This compound is known to chemists as carbon dioxide.2 5 Apparatus for separating water into the two ele- ments hydrogen and oxygen . Nitrogen . There is ...
... known by the fact that it puts out a flame and that it turns limewater milky . This compound is known to chemists as carbon dioxide.2 5 Apparatus for separating water into the two ele- ments hydrogen and oxygen . Nitrogen . There is ...
Página 20
... known as nutrients . Let us now examine a few of the nutrients that we are likely to meet in our daily life , and see how we could test chemically for their presence . Carbohydrates . Starch and sugar1 are common examples of this. 20 ...
... known as nutrients . Let us now examine a few of the nutrients that we are likely to meet in our daily life , and see how we could test chemically for their presence . Carbohydrates . Starch and sugar1 are common examples of this. 20 ...
Página 21
... known as glucose . Glucose , or grape sugar , is manufactured commercially by pouring sulphuric acid over starch . It is used as an adulterant for many kinds of foods , especially in sirups , honey , and candy . Test for Grape Sugar ...
... known as glucose . Glucose , or grape sugar , is manufactured commercially by pouring sulphuric acid over starch . It is used as an adulterant for many kinds of foods , especially in sirups , honey , and candy . Test for Grape Sugar ...
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Términos y frases comunes
adapted alcohol American Book Company amount animal arteries bacteria bean beetle birds blood vessels bone Botany breathing called carbon dioxide cause cells cerebrum color colorless corpuscles containing corn corpuscles cotyledons covered crayfish developed dicotyledonous digestive eggs endosperm example experiment fibers fish flower fluid frog fruit germinate gills glands grain green grow growth heart heat Hunter and Valentine insects intestine kidney known laboratory large number larvæ layer leaf leaves legs living lungs Manual means membrane microscope mollusks monocotyledon mouth muscles muscular nerve nervous system nitrogen Notice organs outer ovary oxidation oxygen parasitic pass Physiology pistil pollen proteid protoplasm root hairs seedlings seeds seen shell side skeleton skin soil species sporangium spores stamens starch stem stomach stomata structure substance sugar surface teeth temperature tiny tion tissues tree veins vertebral vertebral column walls wings worm Zoology