protein
cytoplasm
The cell that makes up the brain and spinal cord is mainly the neuron (nerve cell). There are also other types of cells called glial cells, and within glial cells, there are astro glia, oligodendroglia and micro glia.
The cell membrane plays host to a large amount of protein that is responsible for its various activities. The amount of protein differs between species and according to function, however the typical amount in a cell membrane is 50%.
Cellulose makes up the cell wall in plants.
protein
The haemoglobin in the blood i believe.
cytoplasm
Keratin is the protein that makes up hair. This protein also makes fingernails.
protein that makes up thin myofilament
Protein makes up enzymes, hair, and nails.
Cell membrane pores are made up of protein.
The thick myofilaments are formed from a protein called myosin.
Nerves are made up of cells.
Fibrous protein
Fibrous protein
A cell's membrane is made up of a phospholipid bilayer which has several protein channels and various other transport mechanisms built in.