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1. If a replication error that creates an A-G mismatch is not repaired before the next round of replication, what will be the sequences of the 2 daughter DNAs after replication
2.Transcription-coupled repair occurs more rapidly than global genome repair. Why?
3. Glycosylases flip out damaged bases but Rad4/XPC flips out undamaged bases across from sites of damage. Given the roles of these different proteins, why does this difference make sense?
4.Why is error-prone repair useful, even if it introduces mutations?
5. Cancer cells from patients with HNPCC show dramatic changes in the lengths of microsatellite loci. Explain.
6. Explain why large gaps and double-strand breaks are preferentially repaired by recombination, but a stalled replication fork can utilize either excision repair or recombination-repair pathways.
7.Many lymphoid cancers in patients with diseases such as NBS are linked to chromosomal translocations. Explain.
Describe the procedure of the protein synthesis.Describing the proposals for the future research within epidemiology.
Can viruses evolve? Why or why not? a. No, only their hosts can evolve. b. Yes, their genetic make-up responds to natural selection. c. No, they are not alive. d. Yes, they are able to alter their genetic code directly in response to selection pre..
A case-control study was done in order to estimate the interrelationships between different risk factors for the myocardial infarction (heart disease).
Describe the structure and function of the three forms of RNA determine the primary structure of polypeptide chains during translation.
A plant increased from one of Mendel's yellow pea is selfed. Three progeny peas from this are obtained and they are all green. Is the original plant homozygous or heterozygous.
The given reaction is part of the electron transport chain. Complete the reaction and identify which species is decreased.
The given dipeptide is Asp-Tyr. Recognize the charge state for each structure at the given pH by adding the + or - charges to the appropriate functional groups and adding or removing hydrogen atoms to the structure where appropriate.
Which of the statements regarding cellular respiration and photosynthesis is false? Select one: Cellular respiration and photosynthesis are chemically reverse reactions, but they use different pathways.
Compare and contrast signaling by neurons which secret neurotransmitters at synapses to signaling carried out by endocrine cells, that secretes hormones into the blood, define the relative advantage of the two mechanisms.
Among the developing fern gametophyte, what proportion of these do you expect to have Polka dot mutation?
Explain the general function of Respiratory system and discuss how the Respiratory system contributes to the physiological homeostasis of the human organism?
Create a bio paper propose a hypothesis that explains the lack of success of the species in the modified environment.
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