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» Browse Science and Environment Term Papers
Genetic Engineering And DNA Technology In Agricultural Productivity
Number of Words: 758 / Number of Pages: 3
... are homozygous for certain, desirable traits, rather than relying on just the phenotypes which may actually prove to be heterozygous and can, therefore, pass on the traits which were intended to be removed.
Even the knowledge of a single gene can have a major impact. Just by locating a single pathogen-resistant trait or adding or deleting a single gene can vastly improve the overall quality and value of an organism.
One extremely important aspect of DNA technology is what has been done to protect and organism from disease. In some plants, researchers have been able to eliminate disease-causing ...
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A Study Of Inheritable Traits In Fruit Flies
Number of Words: 1423 / Number of Pages: 6
... mate and produce the next generation
of Drosophila melanogaster.
During this experiment, monohybrid and dihybrid crosses were conducted
with Drosophila melanogaster. Our objective was to examine the inheritance from
one generation to the next. We collected the data from the crosses and analyzed
them in relation to the expected results.
MATERIALS AND METHODS
For the monohybrid cross in this experiment, we used an F1 generation, which
resulted from the mating of a male homozygous wild-type eyed fly with a female
homozygous sepia eyed fly. Males and females are distinguished by differences in
body sha ...
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Add
Number of Words: 726 / Number of Pages: 3
... The child failed to complete tasks assigned to him and he was unable to follow more than one instruction at a time. Attention Deficit Disorder affects social and family relationships, school performance and self esteem.
Family relationships is most crucial when there is a child with an attention deficit disorder. A child with needs structure and a set routine. They need regular meals and a well ordered environment. Examples would be to label shelves and cubbyholes to organize toys. Bed time is extremely important to a child with . The key symtoms of ADHD is fatique.While interviewing a parent of ...
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Acid Rain
Number of Words: 1273 / Number of Pages: 5
... NO DEFENCE
Areas in Ontario mainly southern regions that are near the Great Lakes, such
substances as limestone or other known antacids can neutralize acids entering
the body of water thereby protecting it. However, large areas of Ontario that
are near the Pre-Cambrian Shield, with quartzite or granite based geology and
little top soil, there is not enough buffering capacity to neutralize even small
amounts of acid falling on the soil and the lakes. Therefore over time, the
basic environment shifts from an alkaline to a acidic one. This is why many
lakes in the Muskoka, Haliburton, Algon ...
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Anthopleura Elegantissima
Number of Words: 1229 / Number of Pages: 5
... kept in these bowls for a few weeks before any of the experiments started. Only the most healthy anemones were used in the experiment. To free the anemones, Francis hit the bowl against a solid surface. To determine the sex of the anemones, they were severed and inspected for sex organs. When their sex organs are fully grown the female’s are brownish-pink and they male’s are yellowish-white. The anemones that contain one or more sex organs including oocytes or spermatocytes were recorded as having developed sex organs. The anemones were then placed in a drying oven for approximately 18 to 24 ...
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Egyptian Bedouins
Number of Words: 1403 / Number of Pages: 6
... and the next prayer which is the asr (afternoon) prayer. The fourth prayer of the day is the Maghrib (sundown) prayer. The last prayer is called the Isha (night) prayer. If any prayer is missed at any time of the day for any reason, it can be made up at a later time. The next pillar of Islam is al-sowm (the fast). Muslims must fast during the Islamic month of Ramadan. Muslims engage in this practice in order to gain endurance and compassion for the poor. The fourth pillar of Islam is zakah (charity), every Muslim is asked to give a fraction of their money to the poor. This fraction is usually a ...
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Darwinism 2
Number of Words: 1199 / Number of Pages: 5
... had paved the way for rational thinking and observation. People were willing to accept scientific data as fact and they were able to objectively consider theories that went against the church. Because of the story of creation, Darwinism would have been immediately rejected only a few centuries earlier. People used Darwinism as a weapon to strike at the validity of the powerful religious institutions of the period. It was because of the many drastic changes in the beliefs of the people and the advancement of the logical world that Darwinism was well accepted as a scientific truth.
Beyond the exact d ...
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Ibuprofen
Number of Words: 830 / Number of Pages: 4
... from it.
Introduction
The drug that I chose, Ibuprofen, is an anti-inflammatory analgesic. It
is propionic acid that is white and powdery, and soluble in water, and organic
solvents such as ethanol and acetone. (1) Its structural formula is:
(CH3)2CHCH2 CH(CH3)COOH
Its role of action as a drug is not completely clear to the sciences,
but that with time will change. One thing we do know is that people who have
allergies to Aspirin should not take this medicine. (2)
As of now we know that it may play a role in prostaglandin synthesis
inhibition. (1) Prosta ...
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How Technology Effects Modern America
Number of Words: 1151 / Number of Pages: 5
... services," says L. Mishel, Research Director of Welfare Reform Network.
In view of these facts, I wonder if these trends are good or bad for society. "The danger of the information age is that while in the short run it may be cheaper to replace workers with technology, in the long run it is potentially self-destructive because there will not be enough purchasing power to grow the economy," M. B. Zuckerman. My feeling is that the trend from unskilled labor too highly technical, skilled labor is a good one! But, political action must be taken to ensure that this societal evolution is beneficial to ...
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Enzymes
Number of Words: 368 / Number of Pages: 2
... suggested that the active site is flexible. The binding between and substrate appears to alter the shape of the enzyme. This induces a close fit between the active site and the substrate. It is also believed that this may put some strain on the substrate molecule facilitating the reaction.
Another characteristics of are competitive inhibition and non-competitive inhibition. Competitive inhibition is the binding of a competitive molecule to the active site of the enzyme. This prevents the proper substrate from reacting with the enzyme. In non-competitive inhibition the binding of a non-competiti ...
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