Biology, 17.12.2019 23:31 allenpaietonp9v8sv
If cordycepin tri-phosphate is added to a cell-free transcription reaction, the nucleotide is added onto the growing rna chain but no more nucleotides can then be added. the added cordycepin is always found at the 3' end of an rna. examine the structure of cordycepin and explain why it ends transcription? a) it prevents the association of rna polymerase and sigma. b) it cannot be recognized by rna polymerase. c) it lacks a 3'/rm oh.
Answers: 2
Biology, 21.06.2019 15:30
Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?
Answers: 1
If cordycepin tri-phosphate is added to a cell-free transcription reaction, the nucleotide is added...