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What amino acids are coded for by the mRnas?
mRNAs code for the 20 standard amino acids found in proteins. Each group of three nucleotides on the mRNA (codon) corresponds to a specific amino acid, as determined by the genetic code.
What is the link between functions of the nucleus endoplasmic reticulum and the ribosomes?
nucleolus is inside the nucleus and it makes ribosomes. Ribosomes are made up of mRNAs and proteins and it is the site for making proteins. There are ribosomes on some of the ER (endoplasmic reticulum) and so the ER is known as rough ER. As more proteins are made, they leave the rough ER via vesicles that bud off from the ER.
Which type of molecule is DNA sequences transcribed for protein synthesis?
DNA sequences are transcribed into messenger RNA (mRNA) during the process of protein synthesis. This mRNA serves as a template for ribosomes to synthesize proteins based on the genetic code encoded in the DNA.
What tiny organelles are attached to the ER?
ribosomes
What are the differences between prokaryotic ribosomes and eukaryotic ribosomes?
Prokaryotic ribosomes are smaller (70S) compared to eukaryotic ribosomes (80S). Prokaryotic ribosomes consist of a 30S and a 50S subunit, while eukaryotic ribosomes consist of a 40S and a 60S subunit. Prokaryotic ribosomes have fewer proteins compared to eukaryotic ribosomes.
In which cellular location would you expect to find ribosomes translating mRNAs that encode ribosomal proteins?
You would expect to find ribosomes translating these mRNAs in the cytoplasm of the cell where protein synthesis occurs.
Whats the function of ribosomes?
Ribosomes are responsible for protein synthesis in cells. They read the genetic information from messenger RNA (mRNA) and translate it into specific amino acids to build proteins. Ribosomes can be found in the cytoplasm of cells or attached to the endoplasmic reticulum.
Transcription and translation can occur simultaneously in bacteria because?
bacteria have a simpler cellular structure compared to eukaryotes, allowing for transcription and translation to happen simultaneously in their cytoplasm. The lack of nuclear membrane in bacteria means that mRNA can be translated by ribosomes as it is being transcribed by RNA polymerase, leading to rapid protein synthesis.
Which describes the transfer of mRNAs to a membrane to analyze gene expression?
southern blotting
What are the functions of rough endoplasmic reticulum?
The rough endoplasmic reticulum is involved in protein synthesis, as it contains ribosomes on its surface that help in the production of proteins. It also plays a role in folding and modifying proteins before they are transported to other cellular locations. Additionally, the rough ER is responsible for quality control, ensuring that only properly folded proteins are sent to their intended destinations.
What amino acids are coded for by the mRnas?
mRNAs code for the 20 standard amino acids found in proteins. Each group of three nucleotides on the mRNA (codon) corresponds to a specific amino acid, as determined by the genetic code.
What is the link between functions of the nucleus endoplasmic reticulum and the ribosomes?
nucleolus is inside the nucleus and it makes ribosomes. Ribosomes are made up of mRNAs and proteins and it is the site for making proteins. There are ribosomes on some of the ER (endoplasmic reticulum) and so the ER is known as rough ER. As more proteins are made, they leave the rough ER via vesicles that bud off from the ER.
Which type of molecule is DNA sequences transcribed for protein synthesis?
DNA sequences are transcribed into messenger RNA (mRNA) during the process of protein synthesis. This mRNA serves as a template for ribosomes to synthesize proteins based on the genetic code encoded in the DNA.
What do ribosomes do in translation?
Ribosomes are not directly related to transcription. In eukaryotes the mRNA transcript must be transcribed and modified before it reaches the ribosomes in the cytoplasm. However in prokaryotes ribosomes may attach to mRNA and begin translating as the mRNA is still being made.
What is the rough ERs job in the animal cell?
The rough ER is the part of the endoplasmic reticulum that has the ribosomes on it.The ribosomes begin synthesizing a protein and stick to the ER so all it does is hold the ribosomes.Source: http://en.wikipedia.org/wiki/Endoplasmic_reticulum#Rough_endoplasmic_reticulum
The sites of protein synthesis are?
Protein synthesis occurs at ribosomes, which can be found in the cytoplasm of a cell. In eukaryotic cells, proteins can also be synthesized on ribosomes located on the rough endoplasmic reticulum.
What tiny organelles are attached to the ER?
ribosomes
