click below
click below
Normal Size Small Size show me how
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 |