1601202
Description
Mind Map by sofia.momoko, updated more than 1 year ago
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Created by sofia.momoko
over 10 years ago
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Protein Synthesis
- Transcription
- 1. Hydrogen bonds between the 2
DNA strands of a gene break,
where the DNA uncoils
- 2. One of the strands is used
as a template (antisense)
strand for RNA copy (mRNA)
- mRNA is a single
polynucleotide molecule
- mRNA is a single
polynucleotide molecule
- 5. Free RNA mononucleotides
line up along antisense strand
- 6. mRNA molecule formed
- 7. mRNA moves out of nucleus and
attaches to a ribosome in the cytoplasm
- 8. DNA re-coils
forming a double helix
- 1. Hydrogen bonds between the 2
DNA strands of a gene break,
where the DNA uncoils
- Translation
- 1. tRNA molecule carry
amino acids to the ribosome
with the mRNA attached
- tRNA is a molecule made of a single
polynucleotide and has a bidning
site where an amino acid attaches
- tRNA is a molecule made of a single
polynucleotide and has a bidning
site where an amino acid attaches
- 2. tRNA molecules with amino acids
are joined together by peptide bonds
- 3. The first tRNA molecule
moves away, leaving the amino
acid behind, creating a chain
- 4. This process continues until there
is a stop signal on mRNA molecule
- 5. Polypeptide chain moves
away from ribosome and
translation is complete
- 1. tRNA molecule carry
amino acids to the ribosome
with the mRNA attached
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