mRNA

• Proteins are made in cytoplasm and have ribosomes
• To make proteins, ribosomes use the code in the DNA. This is done using mRNA, which is made by copying the code from DNA. The mRNA acts as a messenger between the DNA and the ribosome, it carries code between the two. The correct amino acids are brought to the ribosomes in the correct order by carrier molecules
• Protein use

  • Enzymes - act as a biological catalyst to speed up reactions
  • Hormones - used to carry messages around the body
  • Structural proteins - physically strong