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What would be the goal of the researcher who inserted the gene for insulin into bacteria?
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How do scientists transform bacteria cells?
Usually they transform them by changing their genetic code, they change it by splitting the genetics of a bacteria (it looks like a circle, rather than a double helix) and adding in a part of another organism's code, this is most commonly seen in preparing insulin for diabetics, the gene that codes for insulin is "spliced" onto the regular bacteria gene, and then the bacteria is grown, harvested, and refined to get insulin that would otherwise have to have come from pigs or other animals
Disadvantages of genetically modified insulin?
Advantages * Cheaper to be made then by normal methods * the E.coli bacteria are friendly to the body * bacteria can be placed in yoghurt- 1-3 yoghurt's a day should be all you would need * bacteria can produce exact amount of insulin needed in response to the host's needs * no allergy problems - using pig insulin caused problems for people allergic to pigs Disadvantages * is still being tested with mice * yoghurt would need to be eaten regularly to replace bacteria
Why are prokaryotes unable to excrete proteins?
They can and do secrete proteinsAs an example of this they secreate protoglycans into the extra cellular space to form a 'slime.' The protens are made in the cell and secreted out of it.A further example is where bacteria have been genetically modified to express insulin, which is a peptide hormone (and therefore a complex protein).If bacteria (which are prokaryotes) were unable to excrete protein they would be unable to produce the insulin as it would quickly accumulate in the cell and cause its death.
What would the body catch if the pancreas dies?
you would have to inject insulin because the pancreas produces insulin
Why is human insulin preferable to animal insulin?
-Human insulin does not cost as much as pig/animal insulin -Human insulin does not result in allergic reactions, such of insulin of an animal.
When was Human Insulin produced by mircobes?
In 1983 scientists worked out a way of producing human insulin on a large scale using genetically modified bacteria. They did this by first working out which human chromosome was responsible for producing insulin. They then isolated that chromosome using a restricting enzyme. They would then remove the plasmid from the bacterium, cut out a small piece of the plasmid using enzymes and then replace the gap made with the human insulin gene. The genetically engineered plasmid is the inserted into a new bacterium and this bacterium is allowed to grow and multiply. Each of the new bacteria would contain the human insulin gene and as the bacteria continued to multiply they would be producing insulin which could then be used to treat diabetes. In this way we could produce large amounts of insulin that was suitable for vegetarian use and causes very few allergic reactions quickly and cost effectively.
How does the bacteria looks like when you have diabetes?
Ummm...not really sure what you mean. Diabetes is not caused by bacteria so any bacteria would look the same. Diabetes 1 is caused by the body not producing enough insulin and Diabetes 2 is caused by the cells becoming resistant to insulin.
Is there any pork products is insulin?
Insulin can come from a number of sources. It is sometimes extracted from the pancreas of a pig, but it can also be made by genetically engineered bacteria. So for a particular batch of insulin, you would have to find out how it was made.
How do scientists transform bacteria?
Usually they transform them by changing their genetic code, they change it by splitting the genetics of a bacteria (it looks like a circle, rather than a double helix) and adding in a part of another organism's code, this is most commonly seen in preparing insulin for diabetics, the gene that codes for insulin is "spliced" onto the regular bacteria gene, and then the bacteria is grown, harvested, and refined to get insulin that would otherwise have to have come from pigs or other animals
How do scientists transform bacteria cells?
Usually they transform them by changing their genetic code, they change it by splitting the genetics of a bacteria (it looks like a circle, rather than a double helix) and adding in a part of another organism's code, this is most commonly seen in preparing insulin for diabetics, the gene that codes for insulin is "spliced" onto the regular bacteria gene, and then the bacteria is grown, harvested, and refined to get insulin that would otherwise have to have come from pigs or other animals
What is synthetic human insulin?
Insulin is a hormone secreted from the pancreas in response to high blood sugar levels. Since it is a hormone it is a protein. Proteins can be synthesized with the help of bacteria in a process called pcr. Synthesizing insulin would not be easy at home. Hormones are commonly obtained from animals such as the pig.
Why would you want to change an organisms DNA?
Most of the changes in DNA are done with bacteria. It is possible to change the DNA in bacteria so the bacteria will take common chemicals and produce expensive drugs. Thus, the bacteria can take some substances and produce insulin and diabetics can live. Most diabetics would rather stay alive than die due to a shortage of insulin. Changing DNA produces other drugs as well.
Is human insulin made from yeast?
It would be more correct to say that bacteria and yeast can be genetically modified to produce a compound which is chemically identical to human insulin.So can plants, by the way; a safflower plant with the genes to produce bio-identical human insulin has been demonstrated.
Disadvantages of genetically modified insulin?
Advantages * Cheaper to be made then by normal methods * the E.coli bacteria are friendly to the body * bacteria can be placed in yoghurt- 1-3 yoghurt's a day should be all you would need * bacteria can produce exact amount of insulin needed in response to the host's needs * no allergy problems - using pig insulin caused problems for people allergic to pigs Disadvantages * is still being tested with mice * yoghurt would need to be eaten regularly to replace bacteria
How would you use the word researcher in a sentence?
The researcher studied animal behavior in the Mayan rain forest. Roscoe's hired a new trends researcher.
Why are prokaryotes unable to excrete proteins?
They can and do secrete proteinsAs an example of this they secreate protoglycans into the extra cellular space to form a 'slime.' The protens are made in the cell and secreted out of it.A further example is where bacteria have been genetically modified to express insulin, which is a peptide hormone (and therefore a complex protein).If bacteria (which are prokaryotes) were unable to excrete protein they would be unable to produce the insulin as it would quickly accumulate in the cell and cause its death.
What would the body catch if the pancreas dies?
you would have to inject insulin because the pancreas produces insulin
