Lecture 12: Flashcards
By whom was the theory of symbiogenesis developed?
German botanist Andreas Schimper.
Russian botanist Konstantin Mereschkowski.
When did chloroplasts split off from mitochondria?
2.1 billion years ago
Describe the structure of a mitochondrion.
What does a mitochondria have that other organelles don’t?
It has its own mitochondrial DNA and its own 70s ribosomes.
How long is the mitochondrial DNA sequence?
16.6 kbp.
What differences exist between amino acid coding in normal DNA and mitochondrial DNA?
What general differences are there between mitochondrial DNA and nuclear DNA?
What chaperone protein binds to mitochondria-destined polypeptides?
HSP/Hsc70
What are the most important protein translocators in the mitochondrial membrane?
What is the MTS in mitochondrial import?
What enzyme handles the cleaving of the MTS during mitochondrial polypeptide import?
