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» Science Essays and Papers
Genetically Altered Foods
<view this essay>.... be very manipulative or should I say persuading,
so therefore it doesn't take much on their part to convince the regulators that
the crops are safe. Those who protest have debated on a list of concerns dealing
with this issue. For example, one of which brings a question to the
environmental policies. It states that Stimulating the resistance of cslve use
or such herbicides (Nature 559). "
A lot of concern has come from one certain crop and that is maize, which was
altered to an extent. The development was done by a company known to be Swiss,
called "Ciba-Geiby". That which was debated dealt with the Advisory Committee
on Novel Foods and Processes (ACNFP) s .....
Number of words: 528 | Number of pages: 2 |
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Grasshopper Dissection
<view this essay>.... we used a whole bunch of little pins to hold the specimen open and expose the insides. 4) we used a bit of water to wash the formaldehyde, alcohol solution from the specimen 5) we used tweezers to pull the mouth parts and head from the specimen. 6) we used a light so that we could see all the internal parts to the grasshopper clearly.
I found this to be a very educational experience not just for me but for my whole group, I know this because I could see them concentrate and do everything right instead of just screwing off and not concentrating at all. I never knew that a grasshopper had so many complex parts to it. The jaw alone amazed me. I m .....
Number of words: 357 | Number of pages: 2 |
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Man-of-War
<view this essay>.... body is an oblong gas-filled
bladder. The bladder is usually nine to thirty centimeters long, and is a
translucent pink, blue, or purple. On top of the bladder is a crest. This is to
catch the wind, and move the man-of-war along. Below the bladder, hang long
stringy tentacles, that can reach a length of up to fifty meters. The tentacles
are made-up of three different types of polyps. The names of these three polyps
are: dactylozooid, gonozooid, and gastrozooid. The polyps are the parts that:
capture prey, digest prey, and reproduce. The dactylozooids have cells called
nematocysts(3). The nematocysts release a toxin(4) into anything that they come
into .....
Number of words: 550 | Number of pages: 2 |
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Bioethics Of Cloning
<view this essay>.... that they had cloned a lamb, which they named Dolly, after Dolly Parton, from an adult sheep (Mario, Christopher).
The two share the same nucleic DNA, but differ in terms of their mitochondrial DNA, which is vitally important for the regulation of the cell. The media and the press ignored this fact, and thus claimed that Dolly and her “mother” were genetically identical, which sparked a fury of outcry all around the world. The technique of transferring a nucleus from a somatic cell into an egg cell of which the nucleus had been removed, called nuclear transplantation, is an extension of research that had been ongoing for over 40 years.
Up until now, scien .....
Number of words: 1930 | Number of pages: 8 |
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David Suzuki's A Planet For The Taking
<view this essay>.... the essay supports the author's views well. It
begins with general opinions about the Canadian population and is followed by
more detailed explanations. The general opinions in the beginning are well-
chosen considering the audience. Suzuki's tone is evident when he states "We
have both a sense of the importance of the wilderness and space in our culture
and an attitude that it is limitless and therefore we needn't worry." These
words suggest that we are willing to reap the rewards of our vast resources but
we fail to see the harm that we are doing, and will continue to do if we do not
stop these actions.
Although his approach for explaining his beliefs .....
Number of words: 944 | Number of pages: 4 |
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Ants, Little But Mighty
<view this essay>.... and young winged
queens leave there nest and fly high in the air and mate.
The few ant queens that survive this “marriage flight” cast
off there wings and instinctively begin to look for a spot to
start a new ant colony.
After making a nest, the young queen ant seals off the
entrance and begins to lay eggs. Some of the first batch are
eaten by the queen for nourishment. When the surviving
eggs hatch they become like larvae. After a few weeks each
larva spins a cocoon around itself and pupates. In a few
more weeks, adult workers emerge. It is their job to hunt
for food and make the nest bigger.
More workers will develop and the colony gets ver .....
Number of words: 1728 | Number of pages: 7 |
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Acid Rain
<view this essay>.... a pH of 5, and a lake with a pH
of 3 is 100 times as acidic, After many rain falls of Acid rain, the pH of
a normal lake ( 5.8 ) to 4.
Acid Rain has been known to reach the acidicy of pH 2, ( battery
acid has a pH if 1 ) this is a drastic change, as normal rain is average pH
5.2.
Acid Rain can dissolve limestone and chalk, and corrodes outdoor
structures. Statues and monuments that are left unprotected can fall victim
to the unpredjudiced destruction of acid rain.
Acid Rain reacts to different types of soil and rocks in two ways.
1) Acid rain will dissolve alkaline rocks and soil, or will neutralize the
alkalinity.
2) Acid rain wil .....
Number of words: 375 | Number of pages: 2 |
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A Critique Of The Stanford Experiment
<view this essay>.... and the rest
would be guards for the prisoners. Both groups received no training on
what to do or act like. They had to get all of their knowledge of what to
do from outside sources, such as television and movies. The guards were
given uniforms and night sticks and told to act like an ordinary guard
would. The prisoners were treated like normal criminals. They were finger
printed and booked, after that they were told to put on prison uniforms and
then they were thrown into the slammer (in this case a simulated cellblock
in the basement was used). All of the participants in this experiment at
first were thought to be similar in behavior but after .....
Number of words: 592 | Number of pages: 3 |
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