Human Biology Anatomy Study Guide Graded A+

Double strand breaks on the same rung of DNA results in what structure being broken or cleaved? {Ans: chromosome}True or false: a single strand DNA break is the least damaging form of radiation interaction with DNA {Ans: true- can be repaired by enzymes}____________ (early/late) somatic effects do not have a threshold {Ans: late}If the reproductive organs of a male are exposed to radiation, it is recommended that attempts at procreation are delayed for several _______________ {Ans: months, would allow the potentially damaged sperm to heal/be replaced}Free radicals in the body are what cause what process? {Ans: aging}_____________ delay is a delay in cell division; after this the cell returns to normal division, can occur at radiation exposures of 1 rad {Ans: mitotic}