Electron affinity: The enthalpy change that results from adding an electron to a gaseous atom.

Electron affinity is becoming less negative (less exothermic) and less likely to gain an electron. 

#Id: 7924

#Unit 2. Cellular Organization

Cardiolipin

an unusual “double” phospholipid containing four fatty acid chains

found primarily in the inner mitochondrial membrane

acts to improve the efficiency of oxidative phosphorylation, by restricting proton flow across the membrane

#Id: 7925

#Unit 2. Cellular Organization

#Id: 7926

#Unit 2. Cellular Organization

#Id: 7927

#Unit 2. Cellular Organization

#Id: 7928

#Unit 2. Cellular Organization

Muscle cells have an abundant, modified smooth ER called the sarcoplasmic reticulum.

The release and reuptake of Ca2+ by the sarcoplasmic reticulum trigger myofibril contraction and relaxation, respectively

#Id: 7929

#Unit 2. Cellular Organization

The ER captures selected proteins from the cytosol as they are being synthesized. These are of two types:

Transmembrane proteins

Water-soluble proteins