All of the following events occur during the processing and splicing of pre-mRNA except _____
1.the mRNA is transported from the nucleus to the cytoplasm
2.introns are removed
3.exons are spliced together
4.5' cap is added
5.poly-A tail is added
1
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What is the difference between a genetically modified organism and a transgenic organism?
A. Nothing; they are the same. B. A transgenic organism carries another organism inside of it, and a genetically modified organism does not. C. A transgenic organism is a genetically modified organism that carries a gene from another species. D. A genetically modified organism is a transgenic organism that carries a gene from another species.
Carl Woese named the ancient aggregate of DNA, RNA, proteins, and lipids a
A. progenote. B. molecule. C. liposome. D. domain. E. cell.
Which of the following habitats is most likely to be
rich in fossils? a. eroding hillsides b. deserts c. polar ice caps d. a bed of a former shallow sea e. rocky plateau
The ultimate source of energy for living organisms is ____
Fill in the blank(s) with correct word.