Class 9 Exam > Class 9 Questions > Which cell organelle is responsible for prote...
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Which cell organelle is responsible for protein synthesis?
- a)Ribosomes
- b)Lysosomes
- c)Golgi apparatus
- d)Endoplasmic reticulum
Correct answer is option 'A'. Can you explain this answer?
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Which cell organelle is responsible for protein synthesis?a)Ribosomesb...
Overview of Protein Synthesis
Protein synthesis is a vital biological process that enables cells to produce proteins necessary for various functions. Among the organelles involved, ribosomes play a pivotal role.
Role of Ribosomes
- Site of Protein Synthesis: Ribosomes are the cellular machinery where amino acids are assembled into proteins.
- Composition: They are made of ribosomal RNA (rRNA) and proteins, forming two subunits (large and small) that come together during protein synthesis.
- Types: Ribosomes can be found either free-floating in the cytoplasm or attached to the endoplasmic reticulum (ER), forming rough ER.
Mechanism of Action
- Transcription and Translation: Protein synthesis occurs in two main stages:
- Transcription: DNA is transcribed to messenger RNA (mRNA) in the nucleus.
- Translation: The mRNA exits the nucleus and binds to ribosomes. Transfer RNA (tRNA) brings amino acids to the ribosome, where they are linked together to form a protein.
Importance of Ribosomes
- Essential Functionality: Without ribosomes, cells would be unable to produce proteins, leading to impaired cellular functions and overall organism health.
- Universal Presence: Ribosomes are found in all living cells, highlighting their fundamental importance in biology.
In conclusion, ribosomes are the key organelles responsible for protein synthesis, making option 'A' the correct answer. Their ability to translate genetic information into functional proteins is crucial for life.
Protein synthesis is a vital biological process that enables cells to produce proteins necessary for various functions. Among the organelles involved, ribosomes play a pivotal role.
Role of Ribosomes
- Site of Protein Synthesis: Ribosomes are the cellular machinery where amino acids are assembled into proteins.
- Composition: They are made of ribosomal RNA (rRNA) and proteins, forming two subunits (large and small) that come together during protein synthesis.
- Types: Ribosomes can be found either free-floating in the cytoplasm or attached to the endoplasmic reticulum (ER), forming rough ER.
Mechanism of Action
- Transcription and Translation: Protein synthesis occurs in two main stages:
- Transcription: DNA is transcribed to messenger RNA (mRNA) in the nucleus.
- Translation: The mRNA exits the nucleus and binds to ribosomes. Transfer RNA (tRNA) brings amino acids to the ribosome, where they are linked together to form a protein.
Importance of Ribosomes
- Essential Functionality: Without ribosomes, cells would be unable to produce proteins, leading to impaired cellular functions and overall organism health.
- Universal Presence: Ribosomes are found in all living cells, highlighting their fundamental importance in biology.
In conclusion, ribosomes are the key organelles responsible for protein synthesis, making option 'A' the correct answer. Their ability to translate genetic information into functional proteins is crucial for life.
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Which cell organelle is responsible for protein synthesis?a)Ribosomesb)Lysosomesc)Golgi apparatusd)Endoplasmic reticulumCorrect answer is option 'A'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Which cell organelle is responsible for protein synthesis?a)Ribosomesb)Lysosomesc)Golgi apparatusd)Endoplasmic reticulumCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which cell organelle is responsible for protein synthesis?a)Ribosomesb)Lysosomesc)Golgi apparatusd)Endoplasmic reticulumCorrect answer is option 'A'. Can you explain this answer?.
Which cell organelle is responsible for protein synthesis?a)Ribosomesb)Lysosomesc)Golgi apparatusd)Endoplasmic reticulumCorrect answer is option 'A'. Can you explain this answer? for Class 9 2025 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Which cell organelle is responsible for protein synthesis?a)Ribosomesb)Lysosomesc)Golgi apparatusd)Endoplasmic reticulumCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 9 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which cell organelle is responsible for protein synthesis?a)Ribosomesb)Lysosomesc)Golgi apparatusd)Endoplasmic reticulumCorrect answer is option 'A'. Can you explain this answer?.
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