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Transcription Quiz
Transcription Quiz Core D 1/31/14
whatever | whatever |
---|---|
DNA cannot... | Leave the nucleus of a cell |
DNA's genetic info (directions)is copied onto... | RNA |
RNA is... | Another nucleic acid |
RNA stands for... | Ribose Nucleic Acid |
RNA's nucleotide has... | s-p | 1/4 Bases |
RNA can... | enter/leave nucleus of a cell |
RNA's 4 bases are... | Adenine, Uracill, Cytosine, Guanine: AU & CG |
Uracill is almost like... | Thymine |
Step one... | helicases come in and break bonds between bases |
step two... | single binding proteins keep them apart |
step 3.. | RNA polymerase comes in and lays down new nucleotides on DNA strands |
3 types of rna are... | messenger, transfer, ribosomal |
messenger/mRNA/mRNA___________... | long chains of nucleotides in multiples of 3/codons |
Transfer/tRNA... | short, 3-base long structures that chemically recognize a specific amino acid in the cell |
Ribosomal/rRNA/fat bunny | form into a structure called a ribosome |