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Term Papers on Science
Mutations
Number of words: 733 - Number of pages: 3.... the cellular level. It is written in units called codons, each of which specifies a particular amino acid. (Proteins are composed of amino acids.) A codon consists of a sequence of three bases--for example, GAG or TCA. The four bases can be assembled into 64 possible codons. Because proteins are built from only 20 amino acids, most amino acids are specified by more than one codon.
occur when one base is substituted for another or when one or more bases are inserted or deleted from a gene. Substitution affect only one codon, and in most cases the effect is mi .....
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Adrenal Gland
Number of words: 1019 - Number of pages: 4.... epinephrine and norepinephrine are generally similar, although they differ from each other in their effects.
Norepinephrine constricts almost all blood vessels. Norepinephrine is formed by intravenous infusion to combat the fall in blood pressure associated with types of shock. Norepinephrine is formed in the body from the amino acid tyrosine, and epinephrine is formed from norepinephrine.
Mineralocorticoids steroids control the overall body fluid. Mineralocorticoids are critical to regulate concentrations of minerals in extracellular fluids. The major target .....
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Octopuses
Number of words: 1043 - Number of pages: 4.... system, a complete digestive tract, along with excretory and nervous system, they are classified under the Mollusca phylum. It then goes under the classification of Cephalopod along with squids and chambered nautilus. From there it is ordered as Octopoda, (Family) Octopodidae, (Genus) Octopus. Then its species differ to differentiate one octopus from another. A common octopus's species is labeled as vulgaris.
A common octopus's scientific name:
Kingdom: Animalia
Phylum: Mollusca
Classification: Cephalopoda
Order: Octopoda
Family: Octopodidae
Genus: Oct .....
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Arthritis, The Hidden Dissability
Number of words: 1543 - Number of pages: 6.... and weather has little, if anything, to do with the disease other than a psychological impact on the course of the disease. And, arthritis is a disease for which something can be done.
Types
As I have already stated, there are more than 115 different types of arthritis. I will include the six most common forms in this report.
Osteoarthritis
Osteoarthritis is the most common form of arthritis in Canada. This type is also referred to as "degenerative joint disease", because it is a consequence of the wearing out of the cartilage that covers the e .....
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Marijuana (simple Essay Without Concution)
Number of words: 327 - Number of pages: 2.... of cannabis spread from China and the Middle East to the population of Europe and America. Since that time cannabis became illegal and very popular drug known in all countries.
In some way the affects of the marijuana may be serious. When smoked, the effects of cannabis begin immediately. When eaten the effects can take 1 to 2 hours to begin, depending on how much food is in the stomach. The effect after smoking cannabis may last for 1-2 hours and when eaten, the effects may sometimes last longer than 4 hours. One of the primary effects of smoking cannabis .....
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The Peregrine Falcon
Number of words: 1782 - Number of pages: 7.... learned of DDT's effect on wildlife, it was
almost too late.
The American peregrine's scientific name is Falco peregrinus anatum.
At one time, people called this falcon a duck hawk. That was a poor name,
since falcons aren't hawks and they rarely kill ducks. The American
peregrine was once found all across the eastern United States and southern
Canada. In the west, the species was found from Mexico to California. DDT
poisoning hit this subspecies the hardest. Even today, naturalists are
still working hard to save the American peregrine from extinction. .....
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Down Syndrome 2
Number of words: 474 - Number of pages: 2.... with 47. Translocation occurs when part of the
twenty-first chromosome breaks off and attaches to another
cell. The total number of chromosomes is 46, however the
excess material from the twenty-first chromosome results in the
affects of the syndrome. With translocation, most cases occur
sporadically, with no bearing on maternal age. These two types
of this syndrome are very rare, being responsible for only 6 or
7 percent of all cases.
Children with Down syndrome are at high risk for health
problems. These include congenital heart defects, respir .....
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Endangered Manatee
Number of words: 219 - Number of pages: 1.... the cause of
these deaths. They suspect that the Red Tide off of the coast of southwest
Florida has some connection with these mysterious deaths. A red tide is a
bloom of flagellates which are deadly to marine life, but cause no harm to the
human population. Another possible cause is a virus that is unknown to
scientists. Many people believe that this problem will eventually stop an the
manatee population will flourish, but others are rather pessimistic.
Ecological Problem: The manatee population is quickly dying off and
unless they make an astonishing comeback, they will soon be extinct.
Ecolo .....
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