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RNA and protein synthesis

Protein Synthesis and Site of Action of Antimicrobials that Inhibit Protein Synthesis

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Processes of DNA Replication and Protein Synthesis ..



The three bases of the codon are complimentary to the three of the anticodon
Anticodon
: sequence of 3 nucleotide bases attached to tRNA
Translation: Making Proteins
(from the RNA)
Step1:
mRNA leaves nucleus and joins a ribosome.

Functionally, DNA maintains the protein-encoding information, ..

A polypeptide is formed by amino acids liking together through peptide bonds. There are 20 different amino acids so a wide range of polypeptides are possible. Genes store the information required for making polypeptides. The information is stored in a coded form by the use of triplets of bases which form codons. The sequence of bases in a gene codes for the sequence of amino acids in a polypeptide. The information in the genes is decoded during transcription and translation leading to protein synthesis.

difference between protein synthesis and dna …

As I have mentioned earlier, DNA is made up of four nucleotide bases, finding out the arrangement of the bases is called DNA sequencing, there are various methods for sequencing a DNA, it is usually carried out by a machine or by running the DNA sample over a gel otherwise called gel electrophoresis.

Functionally, DNA maintains the protein-encoding information, whereas RNA uses the information to enable the cell to synthesize the particular protein.

DNA: Chemical Structure of Nucleic Acids & …

Other proteins, called elongation factors, help ensure that the RNA polymerase continues producing the RNA strand in a steady fashion.

And just like during DNA replication, the double helix must be unwound before transcription can start.

A triplet of bases (3 bases) forms a codon. Each codon codes for a particular amino acid. Amino acids in turn link to form proteins. Therefore DNA and RNA regulate protein synthesis. The genetic code is the codons within DNA and RNA, composed of triplets of bases which eventually lead to protein synthesis.

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  • The success of DNA replication, also known as DNA synthesis, ..

    The DNA, RNA and Proteins ..

  • Rna protein-synthesis - SlideShare

    structure and function of DNA

  • DNA: Structure, Replication and Protein Synthesis by …

    Synthesis of RNA exhibits several features that are synonymous with DNA replication

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Transcript of DNA: Structure, Replication and Protein Synthesis

300 animation in textbook
Step 2 -
Complimentary bases are added to each strand.

As the strands separate, new nitrogen bases (actually nucleotide units) are added by proteins called
DNA Polymerases.


This continues until both strands are completely copied.
Replication Is Complete
(and more)
When the process is over there are two
exact
copies of the DNA molecule.
Why is it important that the copies be identical?
There are about 100 starting points when a human DNA molecule is copied.
It takes about eight hours to copy a human DNA molecule.
Protein Synthesis
Process of reading DNA instructions and making proteins
.

Structure, Replication and Protein Synthesis ..

Each base has its complementary base, which means in the double helical structure of DNA, A will have T as its complimentary and similarly G will have C.

Therefore DNA and RNA regulate protein synthesis.



Protein synthesis
has two stages:
Transcription
and
Translation
Transcription
is the process of making an
RNA
strand from the DNA.
Translation
is the making of
proteins
from the
RNA
code.
Translate means to change "languages" (from nucleic acids to amino acids)
Transcribe means to make a copy of something from one source to another
Transcription
There are three steps to transcription.
Step 1 - a protein known as
RNA polymerase
attaches to a specific part of the DNA molecule
(the promoter)
.
Step 2 - The
RNA polymerase
unwinds and separates the DNA double helix.
Step 3 -
RNA polymerase matches complimentary bases to
one
of the DNA strands.

The nitrogen base
Uracil
binds to
Adenine
rather than
Thymine.

dna rna and protein synthesis | Rna | Messenger Rna


Ribosomal RNA
(rRNA)

segments of RNA that make up ribosomes which are the "factories" for producing proteins.
Codons and Anticodons
Codon
: sequence of 3 nucleotide bases on mRNA strand
Codons tell tRNA which amino acid to attach to the protein being built.

Glossary | Linus Pauling Institute | Oregon State University

It contains the information the cell requires to synthesize protein and to replicate itself, to be short it is the storage repository for the information that is required for any cell to function.

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