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Where in the cell cycle could scientists target anticancer drugs?
Wiki User
∙ 14y ago
Most anticancer drugs such as the antimetabolites. alkalating agents and platinum based drugs target the S-phase of the cell cycle ( DNA replication/synthesis phase)
Other drugs like the antimicrotubules target the G2-M phase of the cell cycle
Wiki User
∙ 14y ago
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Explain why the precise length target DNA sequence doesn't get amplified until the third cycle?
In the first polymerization step, a new DNA strand is synthesized onto each primer. Taq polymerase extends this new strand well beyond the target sequence, producing a new DNA strand that contains the downstream/upstream primer and is longer than the target. In the second cycle, the DNA is denatured and primers anneal to the original target DNA and to the new DNA strands produced in the first cycle. A mixture of small target sequences and larger hybrid DNA sequences are produced at the end of the second cycle. In the third cycle, the target DNA of defined length is reprimed with both upstream and downstream primers. Taq polymerase then synthesizes two copies of target DNA of defined length. The number of these defined target sequences is doubled with each subsequent round of PCR, thereby increasing logarithmically. Thus, a 40 cycle PCR would amplify a given template 240 , thus potentially producing 1.0 x 1012 DNA molecules. In the first polymerization step, a new DNA strand is synthesized onto each primer. Taq polymerase extends this new strand well beyond the target sequence, producing a new DNA strand that contains the downstream/upstream primer and is longer than the target. In the second cycle, the DNA is denatured and primers anneal to the original target DNA and to the new DNA strands produced in the first cycle. A mixture of small target sequences and larger hybrid DNA sequences are produced at the end of the second cycle. In the third cycle, the target DNA of defined length is reprimed with both upstream and downstream primers. Taq polymerase then synthesizes two copies of target DNA of defined length. The number of these defined target sequences is doubled with each subsequent round of PCR, thereby increasing logarithmically. Thus, a 40 cycle PCR would amplify a given template 240 , thus potentially producing 1.0 x 1012 DNA molecules.
What questions might scientists have asked following the discovery of cyclin?
What is the function of a cyclin?How is cyclin expression regulates?Why do protein levels of the cyclins fluctuate throughout the cell cycle?
Wh of the following groups of scientists did NOT contribute to research in microbial genetics?
Winogradsky studied the microbial recycling of sulfur in the environment, while Beijerinck studied the nitrogen cycle in bacteria
When in your cycle would implantation bleeding occur?
In your cycle, implantation bleeding will likely occur several days after the egg implants. This could be anywhere from midway through your cycle, all the way up until you were supposed to start your period.
How soon after your menstrual cycle do you ovulate?
On average a woman ovulates 14 days after the first day of her period...however, everyone is different, so depending on the length of your cycle this could vary.
What types of scientists studies water and the water cycle cycle?
Hydrology
Who are the target customers for cycle menu?
The target customers for cycle menu are university student and local and international tourists. This is because they are usually stationed at their respective places at different times.
What term do scientists use for the portion of the water cycle that takes place within the biosphere?
Its Hydro logical cycle
What was the water cycle rainfall event in the 1980s?
Since the mid 1980s scientists believe the water cycle has intensified.
How can technology help scientists form a better rock cycle model in the future?
My only opinionn is that technology keeps growing and enhanced so it can help scientists in many ways not just for rock cycle. But specifically on rock cycle, they can create creative, realistic or other ways in expressing the rock cycle.
Does scientists think that the drifting of the continents is part of a repeating cycle?
Yes
What is the difference between target costing and life cycle costing?
In Target costing system, comapnies tries to achieve target prices by reducing those parts of activity which are not increasing the value of product. Life cycle costing is a concept in which companies tries to read the overall process of development of product life cycle and tries to minimise the cost at area where it is not required or not increase the value of product.
Where can you find the last book in the inheritance cycle?
You can buy it anywhere. Target, QBD, Kmart.
Explain why the precise length target DNA sequence doesn't get amplified until the third cycle?
In the first polymerization step, a new DNA strand is synthesized onto each primer. Taq polymerase extends this new strand well beyond the target sequence, producing a new DNA strand that contains the downstream/upstream primer and is longer than the target. In the second cycle, the DNA is denatured and primers anneal to the original target DNA and to the new DNA strands produced in the first cycle. A mixture of small target sequences and larger hybrid DNA sequences are produced at the end of the second cycle. In the third cycle, the target DNA of defined length is reprimed with both upstream and downstream primers. Taq polymerase then synthesizes two copies of target DNA of defined length. The number of these defined target sequences is doubled with each subsequent round of PCR, thereby increasing logarithmically. Thus, a 40 cycle PCR would amplify a given template 240 , thus potentially producing 1.0 x 1012 DNA molecules. In the first polymerization step, a new DNA strand is synthesized onto each primer. Taq polymerase extends this new strand well beyond the target sequence, producing a new DNA strand that contains the downstream/upstream primer and is longer than the target. In the second cycle, the DNA is denatured and primers anneal to the original target DNA and to the new DNA strands produced in the first cycle. A mixture of small target sequences and larger hybrid DNA sequences are produced at the end of the second cycle. In the third cycle, the target DNA of defined length is reprimed with both upstream and downstream primers. Taq polymerase then synthesizes two copies of target DNA of defined length. The number of these defined target sequences is doubled with each subsequent round of PCR, thereby increasing logarithmically. Thus, a 40 cycle PCR would amplify a given template 240 , thus potentially producing 1.0 x 1012 DNA molecules.
How do you say 'the question is' differently?
Rather than saying first, "The question is...", just ask the question. It is much more direct.If you must use the phrase, you could change it to a statement that raises the question:I'm wondering if (then your question).When you consider that (whatever is true), (then your question).Scientists have questioned whether (write the question).Examples:I'm wondering if you plan to go to the party.When you consider that the evaporation cycle depends on the oceans, what effect does pollution have on the evaporation-rain cycle?Scientists have questioned whether global warming has increased or if it is part of a normal cycle of warming.
What is an example of phosphorylation?
It could be the krab cycle/citric acid cycle
If the Earth was not spinning there could still be a?
Seasonal cycle
