The answer would be c. unwinding the helix. That job actually belongs to the enzyme helicase, which breaks the bonds between the DNA strands. DNA polymerase, on the other hand, adds base pairs, bonds the nucleotides, and fixes any mistakes. So answers A, C, and D are all in fact characteristics of DNA polymerase. Hope this was helpful :)
Answer:
Respirators
Explanation:
The best way to avoid inhaling asbestos is to wear a respirator when people work in a place where they are exposed to it. The respirators can be air-supplying respirators that provide clean air or atmosphere-supplying respirators that provide air from an independent source. According to this, the answer is that employers can protect their employees against asbestos exposure by providing either air-supplying or atmosphere-supplying respirators.
Stereotactic radiosurgery (SRS) and immune checkpoint inhibitors (ICI) are increasingly used to treat brain metastases, however there is a paucity of prospective data on the effectiveness of these treatments in terms of cancer control.
Data from patients treated with SRS for non-small cell lung cancer (NSCLC) and melanoma brain metastases at a single facility from May 2008 to January 2017 were retrospectively examined. The impact of concurrent ICI within 30, 60, or 90 days of ICI administration on local control and remote in-brain control is examined using a parametric proportional hazard model. The regression model takes into account other patient and lesion characteristics as covariates and makes adjustments.
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