Transcription

Nucleus – where this process takes place

Inside the nucleus

DNA strand

Guanine

Cytosine

Adenine

Thymine

Hydrogen Bond

Key:

Transcription

DNA Helicase

Splitting of the DNA

Transcription

Stand 1

Stand 2

Stand 1

Stand 2

Stand 1

Stand 2

Splitting of the DNA

Transcription

Stand 1

Stand 2

Stand 1

Stand 2

Stand 1

Stand 2

Stand 1

Stand 2

Stand 1

Stand 2

Stand 1

Stand 1

Stand 1

Stand 1

Stand 1

Stand 1

The mRNA strand will then wined together

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Nuclear Pore

Translation

Nucleus

Cytoplasm– where the process takes place

Strand 1Transcription

Strand 1Transcription

Strand 1Transcription

Strand 1Transcription

Strand 1Transcription

Strand 1Transcription

Strand 1Transcription

Strand 1Transcription

Strand 1Transcription

Anti-Codons

tRNA

Amino Acid

Peptide Bond

Peptide Bond

Peptide Bond

This process can go on for a long time.

End Product

Protein

Strand 1Transcription

mRNA strand

In the mRNA stand, the thymine bases will become uracil bases

Codons: 1 2 3 4 5 6 7 8 9 10

Codon DecodingTranscription

Codon 1

Codon 2

Codon 3

Codon 4

Codon 5

Codon 6

Codon 7

Codon 8

Codon 9

Codon 10

Methionine

Threonine

Phenylalanine

Glutamic Acid

Glutamine

Cysteine

Arginine

Aspartic Acid

Cysteine

Stop

Promoter Region

Termination Sequence

Coding Region

Summary

The first step of transcription is that the DNA must unwind to make a single-strand with the double helix. Then the DNA will

split into two identical strands. Then the DNA makes two identical copies. Finally, the mRNA stand will wind together

again and exit out the nuclear pore. In translation, the ribosome will attach to the mRNA then the tRNA will attach to the free amino acid. Then, tRNA carries the amino acid to the

ribosome. Then, tRNA pairs up an anticodon with a codon from the mRNA. After, the enzyme puts the amino acid on the

end to form a peptide bond. Finally, the protein chain will continue to grow while each tRNA adds an amino acid to the

chain.