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What would occur last in the protein synthesis?
The last step in protein synthesis is termination, where the ribosome reaches a stop codon on the mRNA. This signals the release of the newly synthesized polypeptide chain from the ribosome. Subsequently, the ribosomal subunits and mRNA are also released, allowing the components to be recycled for future rounds of protein synthesis.
What are small bodies that serve as the site of protein synthesis in cells called?
The small bodies (sometimes called organelles) where proteins are synthesized are ribosomes.At a ribosome, amino acids are assembled into chains called polypeptides.Strictly, the protein is not synthesized at the ribosome, although people often talk that way. This is because what leaves the ribosome is the completed polypeptide chain, which then has to coil, fold, and maybe even combine with one or more other polypeptide chains to form the functional molecule that is the protein.
How many monomers are added to the growing polypeptide or protein chain in each step?
During each step of protein synthesis, one amino acid monomer is added to the growing polypeptide chain by the ribosome. This process occurs in a cyclical manner as the ribosome moves along the mRNA strand, adding one amino acid at a time.
When does the polypeptide stop growing?
The polypeptide stops growing when it reaches a stop codon on the mRNA during translation. This signals the ribosome to release the polypeptide chain, which then undergoes further processing to become a functional protein.
Organelle that functions as a protein factory is what?
The organelle that functions as a protein factory is the ribosome. Ribosomes are responsible for protein synthesis in the cell by decoding the messenger RNA (mRNA) and assembling amino acids into polypeptide chains.
When does a polypeptide stop growing?
A polypeptide stops growing when the ribosome reaches a stop codon on the mRNA template. This triggers the release of the polypeptide chain, along with the ribosome and mRNA, from the protein synthesis machinery.
What happens at the end of translation in the p site?
the amino acids detach from the ribosome
What are small bodies that serve as the site of protein synthesis in cells called?
The small bodies (sometimes called organelles) where proteins are synthesized are ribosomes.At a ribosome, amino acids are assembled into chains called polypeptides.Strictly, the protein is not synthesized at the ribosome, although people often talk that way. This is because what leaves the ribosome is the completed polypeptide chain, which then has to coil, fold, and maybe even combine with one or more other polypeptide chains to form the functional molecule that is the protein.
How many monomers are added to the growing polypeptide or protein chain in each step?
During each step of protein synthesis, one amino acid monomer is added to the growing polypeptide chain by the ribosome. This process occurs in a cyclical manner as the ribosome moves along the mRNA strand, adding one amino acid at a time.
What is a ribosome and what does it do?
A ribosome is a two subunit complex made of protein and catalytic RNA that unites as one unit when mRNA docks on the large subunit. Ribosomes are the " workbench " on which proteins are synthesized. The ribosome crawls along the mRNA and knits together a polypeptide chain from the free amino acids brought to the ribosome by tRNA.
When does the polypeptide stop growing?
The polypeptide stops growing when it reaches a stop codon on the mRNA during translation. This signals the ribosome to release the polypeptide chain, which then undergoes further processing to become a functional protein.
What tells the ribosome to begin making a polypeptide?
The ribosome is signaled to begin making a polypeptide by the start codon (AUG) present in the messenger RNA (mRNA) sequence. This start codon specifically codes for the amino acid methionine, which marks the initiation point for protein synthesis.
When does translation end in eukaroytes?
Translation in eukaryotes ends when a stop codon (UAA, UAG, or UGA) is encountered by the ribosome. This signals the termination of protein synthesis and the release of the newly formed polypeptide chain from the ribosome.
Organelle that functions as a protein factory is what?
The organelle that functions as a protein factory is the ribosome. Ribosomes are responsible for protein synthesis in the cell by decoding the messenger RNA (mRNA) and assembling amino acids into polypeptide chains.
Is protein larger in size compared to a polypeptide?
A protein is a polypeptide.
After leaving the nucleus mRNA joins with a ribosome where?
it undergoes translation to produce a protein. The ribosome reads the mRNA sequence and assembles the corresponding amino acids into a polypeptide chain. This process occurs in the cytoplasm of the cell.
Where cycloheximide inhibit protein synthesis?
Cycloheximide inhibits protein synthesis in eukaryotic cells by blocking translocation on the ribosome. It binds to the 60S subunit of the ribosome and prevents the elongation of the polypeptide chain during translation. This stops the synthesis of new proteins, leading to the disruption of cellular processes that rely on protein production.
