<span>Phospholipid bilayer is the correct answer. Embossed into the membrane lipid layers, these proteins helps in transport of the compounds inside/outside of the cell. They may also change their structure and conformation for help facilitating the diffusion of the compounds.</span>
Hey there!
The fundamental units of matter are called atoms. All matter, including liquids, solids and gases, are made up of these tiny building blocks.
Hope this helps !
Your answer is Age of Object = n times t 1/2
The gram is the basic unit of mass.