INTRODUCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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as a transport system for the cell
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as a communication network for the cell
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as the source of the cell’s energy
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as a storage unit for the cell
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Detailed explanation-1: -From the endoplasmic reticulum, proteins are transported in vesicles to the Golgi apparatus, where they are further processed and sorted for transport to lysosomes, the plasma membrane, or secretion from the cell.
Detailed explanation-2: -The endoplasmic reticulum (ER) is, in essence, the transportation system of the eukaryotic cell, and has many other important functions such as protein folding. It is a type of organelle made up of two subunits – rough endoplasmic reticulum (RER), and smooth endoplasmic reticulum (SER).
Detailed explanation-3: -Secretory proteins, most of which are glycoproteins, are transported through the endoplasmic reticulum membrane. One of the functions of the ER is to act as a channel for material transport between different regions of the cytoplasm or between the cytoplasm and the nucleus.
Detailed explanation-4: -There are four types of transport mechanisms in a cell. These are simple diffusion, facilitated diffusion, primary active transport and secondary active transport.
Detailed explanation-5: -Rough endoplasmic reticulum is studded with ribosomes, which gives it a “rough” appearance. These ribosomes make proteins that are then transported from the ER in small sacs called transport vesicles. The transport vesicles pinch off the ends of the ER.