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  1. Jul 18, 2020 · Protein synthesis is process in which polypeptide chains are formed from coded combinations of single amino acids inside the cell. The synthesis of new polypeptides requires a coded sequence, enzymes, and messenger, ribosomal, and transfer ribonucleic acids (RNAs).

  2. Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures...

  3. Feb 17, 2023 · The process of protein synthesis occurs in two steps: transcription and translation. In the first step, DNA is used as a template to make a messenger RNA molecule (mRNA). The mRNA thus formed, exits the nucleus through a nuclear pore and travels to the ribosome for the next step, translation.

  4. Aug 25, 2023 · mRNA, tRNA, and rRNA are the three major types of RNA involved in protein synthesis. The mRNA (or messenger RNA) carries the code for making a protein. In eukaryotes, it is formed inside the nucleus and consists of a 5′ cap, 5’UTR region, coding region, 3’UTR region, and poly(A) tail.

  5. Relate protein synthesis and its two major phases to the central dogma of molecular biology. Identify the steps of transcription, and summarize what happens during each step. Explain how mRNA is processed before it leaves the nucleus.

    • the initiation of protein synthesis is called the code for all living1
    • the initiation of protein synthesis is called the code for all living2
    • the initiation of protein synthesis is called the code for all living3
    • the initiation of protein synthesis is called the code for all living4
    • the initiation of protein synthesis is called the code for all living5
  6. The mRNA specifies, in triplet code, the amino acid sequence of proteins; the code is then read by transfer RNA (tRNA) molecules in a cell structure called the ribosome.

  7. For example, the DNA triplet CAC (cytosine, adenine, and cytosine) specifies the amino acid valine. Therefore, a gene, which is composed of multiple triplets in a unique sequence, provides the code to build an entire protein, with multiple amino acids in the proper sequence (Figure 3.4.1).

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