Mid sem test questions

• What is the benefit of multi-molecular sub-unit complexes?

  A single protein complex can be swapped out. This means that it is easier than swapping out a chemically linked domain.
• What are the two sides of the membrane termed?

  The side facing into the cytoplasm is called the cytoplasmic face and the side of the membrane that faces away from the cytoplasm is the exoplasmic.
• What does unacetylated mean?

  Chromatin is highly condensed ( transcriptionally inactive ) - heterochromatin
• What acetylation mean?

  Chromatin is less condensed ( transcriptionally active ) - Euchromatin
• Explain allosteric regulation 


  Change in proteins structure / function due to non-covalent binding by a ligand