5074056
Description
Flashcards by Bee Brittain, updated more than 1 year ago
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Created by Bee Brittain
over 8 years ago
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| Question | Answer |
| Name the three components of RNA structure. | Ribose Sugar Phosphate Base - can be Adenine, Uracil, Guanine and Cytosine |
| Describe the structure of tRNA | tRNA is a single stranded chain folded into a clover leaf shape. One end extends further than the other. |
| In tRNA one end of the chain, extends beyond the other. Why is this? | This is because it is the area where an amino acid can attach |
| On the tRNA molecule, opposite to the end of the chains where the amino acid attaches, there is an area which carries the complementary bases to a codon on mRNA. What is this area called? | Anti-Codon |
| The mRNA base sequence is determined by the DNA base sequence in what process? | Transcription |
| Describe the feature of the structure of mRNA | mRNA is a single long strand that is coiled into a single helix |
| Fill in the blanks: Once formed, mRNA leaves the ________ through nuclear _______ and enters the ___________. | Once formed, mRNA leaves the NUCLEUS through nuclear PORES and enters the CYTOPLASM. |
| What form of protein is mRNA associated with? | Ribosomes |
| mRNA processes information into codons. What is a codon? | A codon is 3 bases complementary to a DNA triplet |
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