33. Chemical mutagens include both naturally occurring chemicals and synthetic substances a) true b) false 34. During th

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33 Chemical Mutagens Include Both Naturally Occurring Chemicals And Synthetic Substances A True B False 34 During Th 1 (47.74 KiB) Viewed 49 times

33. Chemical mutagens include both naturally occurring chemicals and synthetic substances a) true b) false 34. During the stage of Interphase: a) the cell grows slightly and prepares for DNA replication b) the cell doubles in size and prepares for nuclear division c) the cell grows slightly and prepares for nuclear division d) the chromosomes (DNA) replicate 35. The general structure of tRNA (transfer RNA) is as follows: a) 5' methylated cap, four loops (loop IV containing the anticodon), and a 3' polyA tail b) about 75 to 90 nucleotides long, different nucleotide sequences for different specific amino acids, four loops ( loop II containing the anticodon, and the 3' end has a 5-CCA-3' sequence c) about 75 to 90 nucleotides long, different nucleotide sequences for different specific amino acids, four loops (loop I containing the anticodon, and the 3' end has a SCCA-3' sequence d) 3" methylated cap, four loops (loop IV containing the anticodon), and a 5' polyA tail