... Microsporans are also parasitic; they use their polar filament to inject sporoplasm (an infective body) into host cells. Many microsporans cause the formation of single-cell tumors inside their hosts, while some are inconspicuous and do not cause harm to host organisms. Phylum Rhizopoda Members of phylum Rhizopoda are amoebas that have mitochondria and lack undulipodia ... are important ecologically. Brown algae like Sargassum may provide food and a habitat for marine animals and microbes. Phylum Plasmodiophora Plasmodiophorans, which are osmotrophes and symbiotrophes, usually live insid...

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• Grade Level: Undergraduate

... neutrons in the nucleus may differ from one atom to the next. For example, the typical hydrogen atom contains one proton and no neutrons inside the nucleus. Another form of hydrogen is called deuterium. It contains one proton and one neutron in the nucleus. The third form of ... proteins. In the nucleolus, ribosomes are made. Ribosomes are important because they help out with the productions or proteins in a cell. The space inside of a cell can be divided into two parts, the nucleus and the cytoplasm. The cytoplasm is the area between the nucleus and the cell ... membrane. The cytoplas...

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... from infecting their patients. You can actually leave prints through surgical gloves. They fit so tightly that fingerprints 'pass through' the latex. They can also be turned inside out to see fingerprints from the inside. The same thing applies to leather gloves. Also, leather gloves can leave a print that is unique to that glove and no other. Even cloth gloves, such as ... powder cling to the print residue as the brush passes over it. The print is then lifted with tape. Another process involves fuming. Vapors of iodine and superglue will stick inside the print residue to reveal a print...

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... equal to the hydroxide ion concentration. By definition, any solution with a pH lower than 7 is acidic and any solution with a pH greater than 7 is basic (or alkaline). Buffers The pH inside most cells is about 7. Changes in a cell's pH can have terrible effects on the cell, as its chemistry will change due to the changed pH. For that reason, cells need ... . The surface markers are needed for relations with other cells - think of problems with organ transplant rejection as one small example. By definition, all cells contain cytoplasm. Cytoplasm is everything inside the cell membrane and...

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... . They heated amino acids without water and formed long protein chains. As water was added and the mixture cooled down, small microspheres were formed. These seemed to accumulate certain compounds inside them. They also attracted lipids and formed a lipid-protein layer around them, as mentioned above. Assuming that the microspheres combined with self-replicating molecules, we are looking at a very ancient ... 's cell surface membrane in the process of endocytosis, which is made easy by the absence of a cell wall in the bacterium. The aerobic prokaryote wasn't digested but continued to fun...

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... forms (DNA Watson, A Twist of Fate, The Chain of Events). With sufficient moisture, the molecule stretched and thinned out, making the pictures sharper (A Twist of Fate). What looked like an "X" inside of a circle suggested a helical shape, though Franklin denied the obvious (DNA Watson). Subsequent arguments over the information contained in the image led to a "falling out" between Wilkins and Franklin; inadvertently ... ...

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... doesn't have any conditions. They feel they can change the world, not by changing others, but by changing themselves. They search and "find" their strength from the universe by going inside themselves. In order to love and know others better, they love and know themselves. They choose and follow their own path, and honor one's right to one's own path. They ... ...

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... is expected to be available by 2003. DNA Structure and Biology Genetic information is the complete set of inherited instructions, or an organism's genome, for building proteins and other molecules. Inside the nucleus of each mammalian cell are pairs of chromosomes that are composed of deoxyribonucleic acid (DNA). This long, helical molecule carries all the information to direct the production of ... ...

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• Grade Level: Undergraduate

... of equipment like a shotgun. A perforated metal plate stops the cell cartridge, but allows the tiny metal pieces to pass through and into the living cells on the other side. Once inside the cell, the genetic material is transported to the nucleus where it is incorporated among the host genes. Genetically engineered organisms have many advantages in agriculture, including novel foods, pesticides ... ...

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... fifty-five ARDS cases in sixteen different states. Thirty-two of the infected people died. And also in 1994, the new microbe was officially named Muerto Canyon, after a valley located inside the Navajo nation where the Four Corners virus fist appeared. Hantavirus is able to induce two different infections in a person's body. Hemorrhagic fever with renal syndrome (HFRS) is responsible for ... ...

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• Grade Level: High School