Biology, 20.12.2019 03:31 sierram298
Carcinogenesis requires that a single cell or one of its descendents undergo a series of rare genetic and epigenetic changes that permanently alter the expression of at least five to eight genes. thus, it is not surprising that many cancer cells assayed in cell culture dishes were found to have a very high rate of mutagenesis. (15 points)a. what are three systems that are often defective in cancer cells whose role is to ensure the integrity of the genome? b. the increased mutation rate speeds cancer progression by increasing the likelihood that a cell will acquire additional properties that contributes to carcinogenesis. name four of the eight typical properties of cancer cells. c. uv and ionizing radiation are known to cause cancer because they are mutagens that damage dna. how, then, are the many anticancer therapies that act by damaging dna, including ionizing radiation and many drugs, so effective at shrinking tumors?
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Biology, 21.06.2019 22:00
According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..
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Biology, 22.06.2019 06:40
The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation
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Carcinogenesis requires that a single cell or one of its descendents undergo a series of rare geneti...
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