Protein synthesis in an animal cell takes place

Only in the cytoplasm

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ln the cytoplasm as well as in mitochondria

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In the nucleolus as well as in the cytoplasm

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Only on ribose attached to nucleus

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Solution

The correct option is B ln the cytoplasm as well as in mitochondria
Plastids and mitochondria are partially autonomous cell organelles having their own ribosomes and protein-synthesizing machinery.
The mitochondrial and plastid ribosomes resemble prokaryotic 70S type of ribosomes.
Thus, in an animal cell, eukaryotic 80S ribosomes will carry out protein synthesis in the cytoplasm while the 70S ribosomes will carry out protein synthesis in the mitochondria.
Plastid is absent in an animal cell.

Thus, the correct answer is option B.

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Similar questions

Q1. Provide the correct answer:
1. Ribosomes occur freely in the cytoplasm as well as attached to:
2. The organelle meant for synthesis of ATP is:
3. A cell looses water when placed in:
4. The organelle that has its own DNA and ribosomes is:
5. The organelle present in plant cell but not in animal cell is:

Q. Assertion :Replication and transcription occur in the nucleus but translation takes place in the cytoplasm. Reason: mRNA is transferred from the nucleus into cytoplasm where ribsomes and amino acids are available for protein synthesis.

Q. Assertion : Replication and transcription occur in the nucleus but translation takes place in the cytoplasm.

Reason : mRNA is transferred from the nucleus into cytoplasm where ribosomes and amino acids are available for protein synthesis.

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"?

Q. Statement 1: Cell membrane is found in plant cell as well as animal cell.
Statement 2: Cell wall is found in plant cell as well as animal cell.

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