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In eukaryotic cells the first step in protein synthesis is the?
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∙ 12y ago
transferring of information from DNA to messenger RNA
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∙ 12y ago
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∙ 11y agoBreaking of hydrogen bonds in DNA and the synthesis of mRNA using DNA polymerase
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∙ 11y agoinformation is transferred from DNA to messenger RNA
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∙ 12y agoThe first stage in protein synthesis is Transcription
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∙ 11y agoTranscription.
Andrew Bettencourt
Transcription--APEX
Anonymous
Translation
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The location of protein synthesis in eukaryotic cells is the?
I believe actual synthesis occurs in the part of the cell called the Golgi body, or Golgi apparatus. However, ribosomes play an active part in manufacturing proteins in the first place.
Apart from prokaryotic cell and eukaryotic cells which other types of cells can you give examples and characteristics of?
There are two main cell types in nature, Prokaryotic and Eukaryotic. These cells types differ mainly by the fact that Prokaryotic cells have no nucleus while Eukaryotic cells do. Viruses, although they usually have a protein coat, are not considered cells. Prokaryotic cells have a phospholipid membrane and no internal membranes. There are also differences in the DNA and ribosomes. There are two main types, Eubacteria and Archaebacteria. The Archaebacteria are quite different to the Eubacteria. They have a lipid membrane but it is usually a derivative of isoprenol. There are subunits in their ribosomes which also differ to all other bacteria. It has been suggested these two groups be separated into two distinct kingdoms. Eukaryotic cells have a cell nucleus and other features such as mitochondria. In the Eukaryotes, the DNA is stored in the nucleus. Before protein synthesis the DNA pattern is first copied to precursurs for mRNA. Sections of RNA called introns are first removed using particles made partly of protein and partly of RNA. This is called cutting and splicing. From there it is passed on to the ribosomes in the cytoplasm for protein synthesis. This does not happen in the Prokaryotic cell. Eukaryotic cells are then divided into several types depending on whether they are plants, animals, protists or fungi. Animals have only the mitochondria. Plants, on the other hand, have other organelles called plastids. These plastids all have the same DNA and membrane but exist in several forms such as chloroplasts responsible for photosynthesis and chromoplasts responsible for colour.
What codon serves as the start codon for protein synthesis?
AUGMethionine is specified by the codon AUG, which is also known as the start codon. Consequently, methionine is the first amino acid to dock in the ribosome during the synthesis of proteins.
What was the first type of true cells to form on earth was?
The first true cells were prokaryotic cells. These were simple life-forms that didn't have a nucleus. The next to evolve were eukaryotic cells which do have a nucleus.
What is the degradation and synthesis of protein called?
denaturation for degradation synthesis: first step is Transcription, The second step is Translation; there are additional steps (post-translational modifications) after that the polypeptide is formed including the formation of 3D conformation
The location of protein synthesis in eukaryotic cells is the?
I believe actual synthesis occurs in the part of the cell called the Golgi body, or Golgi apparatus. However, ribosomes play an active part in manufacturing proteins in the first place.
Are chloroplasts found in plant cells why?
This is an accident of how the first eukaryotic plant cells evolved to be different from other eukaryotic cells billions of years ago. It is what defines eukaryotic plants.
Apart from prokaryotic cell and eukaryotic cells which other types of cells can you give examples and characteristics of?
There are two main cell types in nature, Prokaryotic and Eukaryotic. These cells types differ mainly by the fact that Prokaryotic cells have no nucleus while Eukaryotic cells do. Viruses, although they usually have a protein coat, are not considered cells. Prokaryotic cells have a phospholipid membrane and no internal membranes. There are also differences in the DNA and ribosomes. There are two main types, Eubacteria and Archaebacteria. The Archaebacteria are quite different to the Eubacteria. They have a lipid membrane but it is usually a derivative of isoprenol. There are subunits in their ribosomes which also differ to all other bacteria. It has been suggested these two groups be separated into two distinct kingdoms. Eukaryotic cells have a cell nucleus and other features such as mitochondria. In the Eukaryotes, the DNA is stored in the nucleus. Before protein synthesis the DNA pattern is first copied to precursurs for mRNA. Sections of RNA called introns are first removed using particles made partly of protein and partly of RNA. This is called cutting and splicing. From there it is passed on to the ribosomes in the cytoplasm for protein synthesis. This does not happen in the Prokaryotic cell. Eukaryotic cells are then divided into several types depending on whether they are plants, animals, protists or fungi. Animals have only the mitochondria. Plants, on the other hand, have other organelles called plastids. These plastids all have the same DNA and membrane but exist in several forms such as chloroplasts responsible for photosynthesis and chromoplasts responsible for colour.
Why are the chloroplasts found in plant cells only?
This is an accident of how the first eukaryotic plant cells evolved to be different from other eukaryotic cells billions of years ago. It is what defines eukaryotic plants.
Where is the first step of protein synthesis occur?
on the ribosomes in the cytoplasm of the cell
Why is accurate initiation of protein synthesis important?
It is the first step in creating proteins.
What amino acid is usually the first one inserted into a protein during protein synthesis?
A protein is a topic that is vital, and that requires professional tending to regarding
What codon serves as the start codon for protein synthesis?
AUGMethionine is specified by the codon AUG, which is also known as the start codon. Consequently, methionine is the first amino acid to dock in the ribosome during the synthesis of proteins.
What are the oldest cells on earth?
The first cells on earth were likely prokaryotic. This is because the prokaryotic cells are not complex like eukaryotic cells.
The first forms of life were simple eukaryotic cells?
Actually they were procaryotic cells. To be more exact, it is a scientific guess.
What was the first type of true cells to form on earth was?
The first true cells were prokaryotic cells. These were simple life-forms that didn't have a nucleus. The next to evolve were eukaryotic cells which do have a nucleus.
Were the first cells prokaryotic or eukaryotic?
The differnece between this two are as followings- Eukaryotic cells are cells that contain a nucleus. Like you and me. Prokaryotic cells are cells that dont have a nucleus. Like bacteria ( But do contain genetic materials and chromosomes) Hope this helps!
