In class notes for September 26, 2007

In class notes for September 26, 2007 - Introduction to...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Introduction to Biological Sciences 110a In class notes for September 26, 2007 Average for first test was 70 (B-/C+) Today we will look at two more organelles Review all organelles before Friday! Check outline for chemistry concepts. The Choloroplasts and the Mitochondria o Most energy comes from oxidating fuel molecules o This takes place in the Mitochondria o The fuel molecules are sometimes made in the chloroplasts Mitochondria o Present in almost all eukaryotic cell, usually 100s to 1000s in each cell o Glycogen granules are in the slide, stored in the liver cells o Typically 1μm long, can be up to 5μm o Surrounded by two membranes Outer mitochondrial membrane About 50% proteins, about 50% lipids Contains a lot of porins o Allow small molecules to go through (usually molecules with a molecular weight less than 10,000 o Most macromolecules are more than 10,000 Contains enzymes Several channels for transporting macromolecules Inner mitochondrial membrane More complex About 80% proteins, about 20% lipids Enzymes Transport proteins Very impermeable, oxygen is the only thing that can get through without help
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Introduction to Biological Sciences 110a In class notes for September 26, 2007 Has an enormous surface area because of the folds The folds are called cristae
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/22/2009 for the course BSCI 110A taught by Professor Broadie/patton during the Fall '08 term at Vanderbilt.

Page1 / 5

In class notes for September 26, 2007 - Introduction to...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online