Cell structure and Function

Nucleoid

A region of the Cytoplasm that is not enclosed in a membranous sac.



Lipid Bilayer
Is a continouse, oily boundary that prevent the free passage of water-soluble substance across it.

Wavelength

Is the destance from the peak of one wave to the peak beheing

Electron Microscope

Use magnet lenses to bend and of electrons, which cannot be different throught a glass lense

Transmission Elecron Microscope
Electron pass throught  a speciment and are used to make images
efect internal details

Scanning electron microscope
Direct a bean of electron back and foth across a surface

Organelle

membrane-bound compartment that carry out specialized metabolic function

Secretory pathway

moves new polypeptide chain from some ribosomes throughout ER and golgi body

Endocytic pathway
moves ion and molecules into the cytoplasm

vesicles
act like taxyand moves substances from one organelle to the nextç

-nucleus envelope

is a doble membrane 

Chromosome

is a doble stand for DNA

Peroxyne
hold enzymes theht digest fatty acids