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Explanation:
1.Endocytosis is the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane, and bringing it into the cell. Exocytosis describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell.
2.The main difference between cis and trans face of Golgi apparatus is that the vesicles that leave the endoplasmic reticulum fuse to the Golgi apparatus from its cis face whereas the vesicles that leave the Golgi apparatus exist from its trans face. ... Cis and trans face are the two faces of the Golgi apparatus.
3.A chromosome is made up of two chromatids which are joined by the centromere. The chromatids separate from each other during mitosis to form two new chromosomes. The DNA making up a chromosome is dispersed as chromatin. ... Each copy is called a chromatid.
4.The nucleolus makes ribosomal subunits from proteins and ribosomal RNA, also known as rRNA. It then sends the subunits out to the rest of the cell where they combine into complete ribosomes. Ribosomes make proteins; therefore, the nucleolus plays a vital role in making proteins in the cell.