. Advanced biology. Biology; Physiology; Reproduction. 36 FUNCTIONS OF A GREEN CELL observed. This is called the Broumian moilon. Modern physics teaches that molecules move not onlv in solution and during osmosis, but that the molecules of all matter are constantlv bom- barding each other. The desk on which you write is composed of tiny particles not inseparably cohering and sticking to each other, but in a slight, constant state of activity similar to that which you observed in the particles under the microscope. Food manufacture. A green cell is one containing certain organ- ized and special
. Advanced biology. Biology; Physiology; Reproduction. 36 FUNCTIONS OF A GREEN CELL observed. This is called the Broumian moilon. Modern physics teaches that molecules move not onlv in solution and during osmosis, but that the molecules of all matter are constantlv bom- barding each other. The desk on which you write is composed of tiny particles not inseparably cohering and sticking to each other, but in a slight, constant state of activity similar to that which you observed in the particles under the microscope. Food manufacture. A green cell is one containing certain organ- ized and specialized cytoplasm, called chloroplasts. There is found in these chloroplasts a complex, green material, chlorophyll^ which is necessary for the manufacture of food. The green cell is independent because it does not rely on other organisms for its food ; it manufactures its own. All cells, whether green or not, need carbohydrates (sugar and starches), fat, and protein. The cells manufacturing foods always absorb two compounds : a gas, carbon dioxide (CO2), and water (HoO). These raw materials get through for OKidoiforu. 5^-- ? energy/ fooi "pTaospHote^ J There is a continuous income and outgo of gases during respiration and photosynthesis. the cell wall and plasma membrane by the process of osmosis. Then the chloroplasts by a number of complicated processes, with the aid of sunlight, chemically tear apart the elements of these compounds, water and carbon dioxide, and recombine them into simple carbohydrates. Since more oxygen is contained in the raw materials than in the sugar manufactured, oxygen is given off during the process. It is supposed by some that the elements. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wheat, Frank Merrill; Fitzpatrick, Elizabeth T. New York ; Boston [etc. ] : American Book
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