Essays Tagged: "Penicillin"

Testing antibotics on bacteria

lus subtilis I will test streptomycin, erythromycin, novobiocin, tetracycline, chloramphenicol, and penicillin. As a side observation, I would also like to see if Bacillus subtillis shows resistance t ... ervation, I would also like to see if Bacillus subtillis shows resistance to penicillin. The use of penicillin is being reduced because of the resistance many types of bacteria are developing against ...

(5 pages) 112 1 3.4 Mar/1995

Subjects: Science Essays > Biology

Drug Problems in the US and its Prevention

is often associated with substance that may be purchased at the counter with prescription, such as penicillin, which is almost never abused, and Valium, which is frequently abused, or illegal substan ...

(6 pages) 309 0 4.7 Oct/1996

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

This is a somewhat brief description of fungi, it's reproductive system, and how it obtains nutrients.

The most widely accepted helpful fungi is Penecillium, this is the type they use in the common drug penicillin. Another helpful type is saccharomyces sp, sounds complicated, but in fact is simply bake ...

(3 pages) 45 0 3.5 Mar/2003

Subjects: Science Essays > Biology

Germ mutation and innaproiat antibiotic use.

WHAT DOESN'T KILL THEM ONLY MAKES THEM STRONGER . . .When penicillin became widely available during World War II, it as a medical miracle, quickly eliminating ... ny types of disease-causing bacteria. But only four years after drug companies began mass-producing penicillin in 1943, microbes began appearing that could resist it because of biological mixing, huma ... way). In a form of microbial sex called transformation, one bacterium may take up DNA from another (Penicillin-resistant gonorrhea results from transformation). Most frightening, however, is resistanc ...

(7 pages) 107 1 4.7 Apr/2003

Subjects: Science Essays > Biology

Administering different antibiotics to Streptococcus salivarius will prohibit growth at different rates.

toxic to be of any medical value." The 1940s were the "dawn of the antibiotic era"(qtd. in Puglia).Penicillin, which is often referred to as the "wonder drug", was accidentally discovered by Alexande ... a bactericidal and inhibits cell wall synthesis as well. The cell wall is made up of peptidoglycan. Penicillin prevents the synthesis of the intact peptidoglycans, this causes the wall to collapse and ...

(5 pages) 43 0 3.7 Jan/2004

Subjects: Science Essays > Biology

"Bacterial Resistance to Antibiotics" - Briefly explains the cause and effect of the mass usage of antibiotics, which led to many strains of bacteria to become resistant to such antibiotics.

Penicillin was the first antibiotic discovered. Soon more and more antibiotics were developed. The e ...

(6 pages) 117 1 4.0 Jan/2004

Subjects: Science Essays > Biology

From Past to Present In this new age of development we take simple things like a telephone, a refrigerator, or a car, all for granted.

945. Just stop and consider the changes youmight have witnessed. You were before television, before penicillin, frozenfoods, Xerox copiers, contact lenses, and the Pill. You were before radar,credit c ...

(2 pages) 70 1 3.7 Jan/2004

Subjects: Science Essays > Technology

The Age of Technological Achievement

Inventions have changed people's ways of doing things. From penicillin to the computer, discoveries and inventions have made the world a much different place fr ...

(2 pages) 96 0 5.0 Jun/2004

Subjects: Science Essays > Technology

What is Ecstasy?

1950s. In the 1970s, many psychotherapists used as a regular part of therapy, with some calling it "penicillin for the soul" because of the way that it seemingly enhanced communication in patient sess ...

(4 pages) 37 0 5.0 Jun/2004

Subjects: Humanities Essays > Health & Medicine > Drugs


ctiveness of drugs, chemicals, or other agents designed to cure or prevent infections. For example, penicillin kills bacteria by attaching to their cell walls, then destroying a key part of the wall. ... he wall falls apart, and the bacterium dies. Resistant microbes, however, alter their cell walls so penicillin can't bind or produce enzymes that dismantle the antibiotic. In another scenario, an anti ...

(4 pages) 70 0 0.0 Apr/2005

Subjects: Science Essays > Biology

Adult stem cells should replace embryonic ones.

ific and medical discoveries over the years. Extraordinary discoveries such as the polio vaccine or penicillin have prevented epidemics such as small pox and polio. Yet, as advanced, as we are today, ...

(4 pages) 40 0 4.7 Apr/2006

Subjects: Science Essays > Biotechnology

Atomic Energy and The Development of Drugs

opped on Hiroshima and Nagasaki, Japan. An example of the medications that were being developed are Penicillin and Sulfa drugs.During the First Sino- Japanese War, Hiroshima emerged as a major supply ... , which is toxic. The distribution of the elixir killed over 100 people, most of whom were children.Penicillin is an antibiotic used in the treatment of bacterial infections that are caused by suscept ...

(13 pages) 25 0 3.0 Apr/2006

Subjects: History Term Papers > World History

Sir Howard Florey

reasons.Sir Howard Florey (along with his excellent team of scientist's) enhanced and mass produced penicillin, the world's first antibiotic into a wondrous miracle drug. He did this during the 1930's ... edical experiment in history". Using six mice infected with streptococci bacteria he gave three the penicillin and left three untreated. The next morning he awoke to find the three untreated mice dead ...

(4 pages) 2432 0 3.0 May/2007

Subjects: Science Essays > Biology

Testing Drugs On Animals

ures for many diseases. However, these tests tend to be very unreliable in some areas. When testing Penicillin if we had just tested it in Guinea Pigs we most likely would have declared it a toxic dru ...

(3 pages) 6 0 3.0 May/2001

Subjects: Science Essays > Biology


inal cross-linking reactions that make the cell wall rigid are not catalyzed, an antibiotic such as penicillin can be used to fit into the active site of the enzyme that was to catalyze such a reactio ... ria resist antibiotics.Some bacteria possess a beta-lactamase enzyme that can open the lactam ring (penicillin is a beta-lactam and contains a 4 membered beta-lactam ring). If the ring is opened the c ...

(1 pages) 589 0 0.0 Nov/2001

Subjects: Science Essays > Biology

The use and abuse of anti-biotics

mful microorganisms without damaging the host. The first safe and effective a well-known example is penicillin, which comes from the meld made by the fungus, Penicillium. The resulting common drug, pe ... drugs are also available to specifically combat particular infections.Alexander Flemming discovered penicillin in the famous "mould in petri dish experiment" in 1928. Flemming realized that the mould ...

(5 pages) 14 0 0.0 Feb/2008

Subjects: Science Essays > Biology

Flesh-eating bacteria

them. Long before humans discovered antibiotics, they existed in nature. So naturally, after penicillin was introduced, some germs were already naturally resistant to the drug. As we used more ... a precaution sign on the door. No one entered her room unless they were wearing gloves and a gown. Penicillin was the drug of choice and was given to her in high doses up to even 40 million units per ...

(7 pages) 26 0 4.0 Feb/2008

Subjects: Science Essays > Biology

Doctor Dealin'

r-old nephew caught strep throat. He was prescribed Keflex, an expensive antibiotic, when a shot of penicillin would have done the job at a much cheaper price. Before you give all your money aw ...

(1 pages) 426 0 0.0 Feb/2008

Subjects: Social Science Essays > Controversial Issues

Kocherla 1 Honors/Gifted Literature- Flanigan- 3rd Goodbye From his chocolate

love when I found it but that's how it always is isn't it? The best things in life are accidental. Penicillin was an accident right? But love is nothing like Penicillin. The only thing love can heal ...

(12 pages) 619 0 0.0 Feb/2008

Subjects: Literature Research Papers > European Literature > Authors > Shakespeare

Biology Lab Report On The Effects Of Different Bio-toxins On E. Coli

ion in the lab. Water was chosen as a control, and triclosan, household chlorine/bleach, as well as penicillin were compared amongst each other. Biocides have been incorporated into a wide variety of ... olecules (Reither, 2002).The hypothesis is that the E. coli will form a resistance to triclosan and penicillin relatively quickly, and also to chlorine/bleach but over a longer period of time.Methods ...

(4 pages) 2 0 0.0 Oct/2011

Subjects: Science Essays > Biology