DNA regions:Introns– do not code for protein synthesis

Free ribosomes synthesize the proteins that function in the cytosol, while bound ribosomes make proteins that are distributed by the membrane systems, including those which are secreted from the cell.

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DNA and protein synthesis: Protein trafficking in - …

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These relationships are often called the rules of Watson-Crick base pairing, named after the two scientists who discovered their structural basis.
Code for various traits or features in an organism by coding for proteins that have specific functions.
LaFreda J Howard
October 8, 2014
Lab 5: DNA , Protein Synthesis, and Genetic Mutation
RNA-ribonucleic acid, a nucleic acid present in all living cells.

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Golgi –modifies and packages proteins for transport to cell or organelle membranes, tobeused as enzymes within the cell, or exocytosis of proteins to function somewhereoutside the cell (Fig. 3.21)

Many materials, including some proteins, are sorted by the functionally cellular membranes of the endomembrane system.

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Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins, although in some viruses RNA rather than DNA carries the genetic information.
The rules of base pairing (or nucleotide pairing) are:

A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T)
C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)
DNA
RNA
The purine adnenine (A) will pair with the pyrimidine uracil (U) instead of thymine (T)
Base pairing is achieved by hydrogen bonds, a type of noncovalent reaction.
Why not A with C and G with T?
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes.

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These common features are:

DNA, the genetic material contained in one or more chromosomes and located in a nonmembrane bound nucleoid region in prokaryotes and a membrane-bound nucleus in eukaryotes

Plasma membrane, a phospholipid bilayer with proteins that separates the cell from the surrounding environment and functions as a selective barrier for the import and export of materials

Cytoplasm, the rest of the material of the cell within the plasma membrane, excluding the nucleoid region or nucleus, that consists of a fluid portion called the cytosol and the organelles and other particulates suspended in it

Ribosomes, the organelles on which protein synthesis takes place

11.08.2015 · Role of DNA in protein synthesis

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The peptide chain then folds properly either on its own or with the help of other proteins. After it’s sent to the proper location in the cell, the freshly made protein will be ready to perform its function in the cell. Some bacterial proteins need to be secreted to the (the space between the inner membrane and the outer membrane in Gram-negative bacteria) or inserted into the membrane.

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Control of membrane protein synthesis in bacillus …

Proteins destined for the plasma membrane are also manufactured in the RER, so that they can be
readily packaged into membrane-bound vesicles and enter the membrane-transport system.

Ribosomes are comprised of two structural subunits: the large subunit and the small subunit.

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DNA & PROTEIN SYNTHESIS - Crossword Puzzle

Protein Synthesis and SortingThe nucleolus and ribosomes form part of the proteinsynthesizing machinery of the cellDNA has two strands.