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Biology, 21.06.2019 14:30, Franklyn3220
Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided
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Biology, 21.06.2019 19:00, longboard5967
2. in dragons, a gene on chromosome 1 codes for wing color and a gene on chromosome 2 codes for body color. draw out the stages of meiosis for these two chromosomes from a dragon that is heterozygous for both traits. define your alleles. what are all the possible allele combinations of the gametes produced?
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Biology, 22.06.2019 01:10, taylorwhitfield6
Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells
Answers: 2
Biology, 22.06.2019 06:00, ajbrock1004
Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun
Answers: 1
Figure 10-4 49 replicate dna a in figure 10-4. what role does structure a play in mitosis? b. incre...
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