Why are some bacteria resistant to the effects of penicillin? How would you genetically engineer a...
Why are some bacteria resistant to the effects of penicillin? How would you genetically engineer a strain of anthrax to be resistant to penicillin?
Homework Answers
Add Answer to:
Why are some bacteria resistant to the effects of penicillin?
How would you genetically engineer a...
Penicillin is hydrolyzed and thereby rendered inactive by penicillinase, an enzyme present in some penicillin-resistant bacteria....
Penicillin is hydrolyzed and thereby rendered inactive by penicillinase, an enzyme present in some penicillin-resistant bacteria. The mass of this enzyme is 29.5 kD. The amount of penicillin hydrolyzed in 1 minute in a 10 mL solution containing 109 g of purified penicillinase was measured as a function of the concentration of penicillin. Assume that the concentration of penicillin does not change appreciably during the assay. (a) Plot v versus. [Penicillin] and 1/ v versus 1/[Penicillin], (b) Determine the kinetic...
Why is methicillin-resistant Staphylococcus aureus (MRSA) methicillin-resistant? Answers are either: -The bacteria are able to prevent...
Why is methicillin-resistant Staphylococcus aureus (MRSA) methicillin-resistant? Answers are either: -The bacteria are able to prevent entry of the drug into the cell. -It produces a modified penicillin binding protein (PBP) target molecule that is not effectively inhibited by the drug. -It has an enzyme that destroys methicillin. -It actively pumps the antibiotic out of the cell.
Briefly describe why natural selection results in bacteria that are resistant to antibiotics. How does this...
Briefly describe why natural selection results in bacteria that are resistant to antibiotics. How does this relate to the characteristics of life?
2. Researchers in Israel have developed a novel method of restoring antibiotic sensitivity to resistant bacteria,...
2. Researchers in Israel have developed a novel method of restoring antibiotic sensitivity to resistant bacteria, according to a study in the journal Applied and Environmental Microbiology. The process could eventually be used to fight hospital superbugs, researcher said. An estimated 70% of hospital acquired infections in the U.S. involve bacteria that are resistant to at least one antibiotic. Using a process called lysogenization, scientists used bacteriophages, viruses that can infect bacteria, to invade resistant bacterial cells and restore their...
Penicillin does not directly kill bacteria. Why, then, is it considered to be bacterio-cidal? Essay question...
Penicillin does not directly kill bacteria. Why, then, is it considered to be bacterio-cidal? Essay question I would like the answer to give explanations not only facts please!
Penicillin is hydrolyzed and thereby rendered inactive by penicillinase (also known as β-lactamase), an enzyme present...
Penicillin is hydrolyzed and thereby rendered inactive by
penicillinase (also known as β-lactamase), an enzyme present in
some resistant bacteria. The amount of penicillin hydrolyzed in 1
minute in a 10-ml solution containing 10-13 moles of
purified penicillinase was measured as a function of the
concentration of penicillin. Assume that the concentration of
penicillin does not change appreciably during the assay.
I got the right answers for the first two parts but I can't
figure out how to find the...
How have humans genetically modified organisms for use in cloning? What are some examples of different...
How have humans genetically modified organisms for use in cloning? What are some examples of different types of clones (hint: don’t forget about bacteria clones, like the GMO bacteria that make synthetic human insulin)? What are the potential benefits of creating and using clones? What are some potential consequences of creating and using clones? Can you please use APA in text citation? (3-4 sources)
What does “genetically tagging” mean? Why is this useful for imaging a specific protein? How would...
What does “genetically tagging” mean? Why is this useful for imaging a specific protein? How would you “tag” a protein of interest so that you could “see” it in a live cell? Draw a diagram to illustrate if needed.
4. What are some reasons why you might want to use a genetically correlated trait instead...
4. What are some reasons why you might want to use a genetically correlated trait instead of the trait you are truly interested in (e.g., the economically relevant trait)?
A researcher wants to study how exposing corn to a genetically modified strain of E.coli would...
A researcher wants to study how exposing corn to a genetically modified strain of E.coli would affect the growth of the com. The E. coli is genetically modified to produce a natural pesticide. He hopes to be able to provide farmers with an alternate source of pesticides that doesn't involve using harmful chemicals. Match the following parameters with the proper experimental design element. Question Corn exposed to E. coli that is not genetically modified Amount of E. coli the corn...
Penicillin is hydrolyzed and thereby rendered inactive by penicillinase, an enzyme present in some penicillin-resistant bacteria. The mass of this enzyme is 29.5 kD. The amount of penicillin hydrolyzed in 1 minute in a 10 mL solution containing 109 g of purified penicillinase was measured as a function of the concentration of penicillin. Assume that the concentration of penicillin does not change appreciably during the assay. (a) Plot v versus. [Penicillin] and 1/ v versus 1/[Penicillin], (b) Determine the kinetic...
Penicillin is hydrolyzed and thereby rendered inactive by
penicillinase (also known as β-lactamase), an enzyme present in
some resistant bacteria. The amount of penicillin hydrolyzed in 1
minute in a 10-ml solution containing 10-13 moles of
purified penicillinase was measured as a function of the
concentration of penicillin. Assume that the concentration of
penicillin does not change appreciably during the assay.
I got the right answers for the first two parts but I can't
figure out how to find the...
A researcher wants to study how exposing corn to a genetically modified strain of E.coli would affect the growth of the com. The E. coli is genetically modified to produce a natural pesticide. He hopes to be able to provide farmers with an alternate source of pesticides that doesn't involve using harmful chemicals. Match the following parameters with the proper experimental design element. Question Corn exposed to E. coli that is not genetically modified Amount of E. coli the corn...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago