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 20:00
Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes
Answers: 2
Biology, 22.06.2019 06:30
Explain how scientists use geologic time to determine the age of landforms.
Answers: 1
Biology, 22.06.2019 06:40
Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.
Answers: 3
Biology, 22.06.2019 13:00
Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?
Answers: 1
If cordycepin tri-phosphate is added to a cell-free transcription reaction, the nucleotide is added...
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