13. Very large substances can ____________ the cell by endocytosis. During this

Question

13. Very large substances can ____________ the cell by endocytosis. During this process, the plasma membrane surrounds the substance and then fused with the ____________ of the cell and opens into the cell to remove the substance. In the opposite manner, large substances can leave the cell by ____________ . At this stage, the substances will be inside a(n) ____________ . This will fuse with the membrane on the inside and ____________ allowing the substance out of the cell. Ribosomes, composed of proteins and rRNA, are often found attached to the ____________ , but may also occur freely in the cytoplasm. Groups of free ribosomes are called ____________ . Ribosomes are the site of ____________ . A protein produced on a free ribosome has a different ____________ than a protein produced at an attached ribosome.

Explanation / Answer

Answer:

Very large substances can enter the cell by endocytosis. During this process, the plasma membrane surrounds the substance and then fused with the membrane of the cell and opens into the cell to remove the substance. In the opposite manner, large substances can leave the cell by exocytosis . At this stage, the substances will be inside a(n) vesicle . This will fuse with the membrane on the inside and breaksdown / ruptures allowing the substance out of the cell. Ribosomes, composed of proteins and rRNA, are often found attached to the endoplasmic reticulum , but may also occur freely in the cytoplasm. Groups of free ribosomes are called polysomes(polyribosomes).. Ribosomes are the site of protein synthesis. A protein produced on a free ribosome has a different destination than a protein produced at an attached ribosome.

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