In the experiment shown in Figure 1518b why do increasing do

In the experiment shown in Figure 15.18b. why do increasing doses of UV light cause increasing amounts of radioactive nucleotides to be incorporated into DNA? See Section 15.5 Repair of DNA damage caused by UV light involves the replacement of damaged nucleotides. Exposure to UV light causes both normal and cancerous cells to replicate their DNA and divide. Exposure to UV light cause cancerous cells to divide. Exposure to UV light cause normal cells to become cancerous.

Solution

In the experiment shown in Figure 15.18b, why do increasing doses of UV light cause increasing amounts of radioactive nucleotides to be incorporated into DNA?

Repair of DNA damage caused by UV light involves the replacement of damaged nucleotides.--------answer

Exposure to UV light causes both normal and cancerous cells to replicate their DNA and divide.

Exposure to UV light cause cancerous cells to divide.

Exposure to UV light cause normal cells to become cancerous.

DNA Repair

The photoproducts that outcome from introduction to UV radiation are not an issue insofar as they are effectively repaired, in any case it is trusted that with intemperate, constant presentation to daylight, the repair pathway in skin cells gets to be overpowered taking into consideration photoproducts to hold on and be passed on in consequent rounds of replication. This eventually prompts to transcriptional mistakes and now and again tumor. The kind of DNA harm brought about by UV radiation is repaired through the nucleotide extraction repair (NER) pathway (3). This pathways comprises of five stages including the accompanying: 1) acknowledgment of DNA injury, 2) entry point of the harmed strand on both sides of the sore, 3) expulsion of the harmed oligonucleotide, 4) union of a fix, and 5) ligation of the fix. The significance of this pathway in securing against skin growth is shown by considering people with the innate issue xeroderma pigmentosum (XP). People with XP have a transformation in one of a few qualities required in the NER pathway, the pathway includes the results of no less than 20 qualities, and accordingly they have a 2000-overlay expanded danger of skin tumor. As far as the particular photoproducts, 6-4 pyrimidine-pyrimidone is known to be more mutagenic than CPD, however 6-4 pyrimidine-pyrimidone is repaired 15 times more effectively than CPD (.

Repair of DNA damage caused by UV light involves the replacement of damaged nucleotides.--------answer

Exposure to UV light causes both normal and cancerous cells to replicate their DNA and divide.

Exposure to UV light cause cancerous cells to divide.

Exposure to UV light cause normal cells to become cancerous.