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The Golgi Apparatus is often referred to as the "packaging and distribution center" because its primary function is to pack proteins inside the cell before then sending them out to where they need to be.
the nucleus
The cell membrane acts as the barrier and transport proteins present in the membrane, such as globular proteins, transport molecules across cell membranes.
It's not an organelle but extrinsic proteins give the phospholipid bi-layer of the cell mechanical support.
The Golgi apparatus serves as a vesicle trafficking hub.
The Golgi Body is the shipping and receiving area of the cell. It also modifies proteins when they arrive in its' department.
The Golgi Apparatus is often referred to as the "packaging and distribution center" because its primary function is to pack proteins inside the cell before then sending them out to where they need to be.
The cell wall.
The Golgi Bodies.
Golgi apparatus
Nucleus
the nucleus
the nucleus
A virus has a protein coat that covers it's genetic center. It acts as a protection but also it can match certain proteins it has with ones on the host cell. Thereby "unlocking" the door.
myosin?
hormones such as insulin opens up channel proteins which are like doors to a cell. Channel proteins allow larger molecules, such as sugar, to enter the cell.
The cell membrane acts as the barrier and transport proteins present in the membrane, such as globular proteins, transport molecules across cell membranes.