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Following diagram shows the transport of protein.

1- The nucleus is involved in teh formation of mRNA which is used to send message to the ribosome about what kind of protein is used to synthesize

2- and 3- Endoplasmic Reticulum(ER), Rough ER has the ribosomes on their surface, which are involved in teh formation of protein.

4- They are the vesicles from the RER

5- It is the Golgi body or Golgi complex or golgi apparatus or simply Dictyosomes. They are used in the packaging of the protein, gives the protein finishing touch before they move out from the cell. They like ER has canalicular system with sacs but they are parallel arranged, flattened membrane bounded with lack of ribosomes. They have two faces. One is receiving face which receives the vesicles from the Endoplasmic reticulum called cis face. The other is shipping face which releases packaged protein into the cytoplasm ready to go outside from the cell.

6and 7- They are the vesicles from the golgi bodies.

8- Vesicle diffuses with the cell membrane through which the protein is moving out from the cell, the process called exocytosis.

"do a testcross with a homozygous recessive plant."

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this