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Endoplasmic Reticulum

Why ribosomes...

Question

Why ribosomes are called protein factories?

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Solution

Ribosomes:
Ribosomes are cell organelles that function in the synthesis of proteins.
They are present on the surface of rough endoplasmic reticulum.
They produce proteins from amino acids by a process called protein synthesis.
Therefore, ribosomes are called protein factories as they synthesize proteins.

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Q. Select the correct option.
1. Ribosomes are called "protein factories" of the cell.
2. Mitochondria are called "suicide bags" of the cell.

Q. Which of the following statement(s) is/are correct?.
i) Ribosomes are called ‘protein factories’ of the cell.
ii) Ribosomes consist of three different proteins.
iii) During translation, the ribosome contains only one of the two subunits.

Read the passage and answer the following question.

Ribosomes are the smallest cell organelles which can be seen only through an electron microscope. They are found in both prokaryotic as well as eukaryotic cells. Ribosomes are dense, round bodies which occur freely in the cytoplasm and may remain attached to the surface of the endoplasmic reticulum. Chemically, ribosomes are made up of ribonucleoprotein (in eukaryotic cells, the constituent of the ribosome is 40% protein and 60% ribosomal RNA). Ribosomes help in the process of protein synthesis. They are, therefore, called as the protein factories of the cell.

Which of the following is called as "protein factories of the cell"?

Which organelle is called the factory of ribosomes?

Which organelle among the following are called protein factories?

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