7/17/2019 Cell

http://slidepdf.com/reader/full/cell563db952550346aa9a9c36be 1/1

1. One has to preserve or immobilize cells2. dehydrate3. infltrate it

microscopy: a mere slice o a specimen

most avorable energetic confguration: isolate cells rom theexracellular compartment

organelles including the golgi complex, mitochondria and ! arecomposed o somoilar membrane

"uid mosaic:

entrinsic and intrinsic membrane proteins

peripheral: inner and outer surace o membrane, not anchored

cytoplasm: organelles

s#eletal myoctes: many nuclei.

$uclear envelope: double bilayer: ribosomes,

! tubules and cisters

!ibosomes are round particles and consist o ribosomal rna.%rotein synthesis begins &ith them in cytoplasm or bound to the !

r that has no ribosomes iss smooth.

'ogli chemical modifcations, carb metabolism

'oli pac#aging and modiying products, orm lysosome

(ysosome hydrolytic enzymes brea# do&n everything