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Protein synthesis is the biological process through which cells generate proteins, involving two main stages: transcription and translation. During transcription, the DNA sequence of a gene is copied into messenger RNA (mRNA) in the nucleus. The mRNA then travels to the ribosome, where translation occurs, and ribosomes read the mRNA sequence to assemble amino acids into a polypeptide chain, ultimately folding into a functional protein. This process is crucial for cell function, growth, and repair.
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Is the nucleus the site of protein assembly?
No. The protein assembly, or protein synthesis, is taking place in the cytosol, particularly in the ribosomes.
Is mitochondria responsible for protein assembly?
Mitochondria are not directly responsible for protein assembly. They are primarily involved in producing energy in the form of adenosine triphosphate (ATP) through cellular respiration. Protein assembly generally occurs in the ribosomes of a cell.
Which organelle is responsible for protein assembly or synthesis?
The organelle responsible for protein assembly or synthesis is the ribosome. Ribosomes can be found either floating freely in the cytoplasm or attached to the endoplasmic reticulum, forming rough ER. They translate messenger RNA (mRNA) into polypeptide chains, which then fold into functional proteins.
What process is not involved in protein synthesis?
One process not involved in protein synthesis is DNA replication. While DNA replication is essential for cell division and ensures that genetic material is accurately copied before a cell divides, it does not directly contribute to the synthesis of proteins. Instead, protein synthesis involves transcription (the conversion of DNA to mRNA) and translation (the assembly of amino acids into proteins based on the mRNA sequence).
What is the site of ribosome assembly?
Ribosome assembly occurs in the nucleolus inside the cell nucleus. It involves the synthesis and processing of ribosomal RNA (rRNA) and the assembly of ribosomal proteins. Once assembled, the ribosomes are transported to the cytoplasm where they participate in protein synthesis.
Is the nucleus the site of protein assembly?
No. The protein assembly, or protein synthesis, is taking place in the cytosol, particularly in the ribosomes.
What is the significance of the start codon AUG in the process of protein synthesis?
The start codon AUG is significant in protein synthesis because it signals the beginning of protein translation. It initiates the assembly of amino acids into a protein chain, serving as the starting point for the ribosome to begin reading the mRNA and synthesizing the protein.
Is mitochondria responsible for protein assembly?
Mitochondria are not directly responsible for protein assembly. They are primarily involved in producing energy in the form of adenosine triphosphate (ATP) through cellular respiration. Protein assembly generally occurs in the ribosomes of a cell.
Which organelle is responsible for protein assembly or synthesis?
The organelle responsible for protein assembly or synthesis is the ribosome. Ribosomes can be found either floating freely in the cytoplasm or attached to the endoplasmic reticulum, forming rough ER. They translate messenger RNA (mRNA) into polypeptide chains, which then fold into functional proteins.
What is the product of protein synthesis?
A protein. That's what protein synthesis means.
What is the significance of the AUG codon in the process of protein synthesis?
The AUG codon serves as the start codon in protein synthesis, signaling the beginning of translation. It codes for the amino acid methionine, which is often the first amino acid in a protein chain. This codon is crucial for initiating the assembly of proteins in cells.
What process is not involved in protein synthesis?
One process not involved in protein synthesis is DNA replication. While DNA replication is essential for cell division and ensures that genetic material is accurately copied before a cell divides, it does not directly contribute to the synthesis of proteins. Instead, protein synthesis involves transcription (the conversion of DNA to mRNA) and translation (the assembly of amino acids into proteins based on the mRNA sequence).
What does the nucleolus do for a plant cell?
The nucleolus in a plant cell functions as a site for ribosome assembly, where ribosomal RNA is transcribed and ribosomal subunits are put together. Ribosomes are essential for protein synthesis within the cell.
Structure responsible for protein synthesis?
Ribosomes, are responsible for protein synthesis.
What is the role of rRNA the protein synthesis?
it hold the protein synthesis in the ribosomes
What is the site of ribosome assembly?
Ribosome assembly occurs in the nucleolus inside the cell nucleus. It involves the synthesis and processing of ribosomal RNA (rRNA) and the assembly of ribosomal proteins. Once assembled, the ribosomes are transported to the cytoplasm where they participate in protein synthesis.
Is the nucleus the organelle that is the center for protein synthesis?
No. protein synthesis occurs in the ribosome. The ribosome receives the mRNA from the nucleus (code for amino acids) which directs the assembly of the chain of amino acids, but the nucleus is not directly responsible for the creation of the protein. Also, the ribosome isa separate organelle, even if it is attached to the nucleus while assembling the protein chain.
