BIOL 1001 Chapter : Bio 1201 Chapter 6

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15 Mar 2019
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Most of the dna in a eukaryotic cell is located in the nucleus (mitochondria and chloroplast has dna not in nucleus) With a prokaryotic cell, the dna is found in a region known as the nucleoid, which has no membrane. Sequester reactions, so they may occur without interference from incompatible metabolic processes elsewhere in the cell. A double membrane, each a lipid bilayer facing opposite directions. Perforated by nuclear pores which contain a pore complex: functions within the nuclear membrane to regulate entry and exit of proteins, rna, and other molecules. Dna is organized on chromosomes, which are composed of chromatin, which consists of dna & Within the nucleus is the nucleolus, which rrna, as well as ribosomes are produced and assembled. Uses instructions within genes (dna to synthesize messenger rna ( mrna) Binds to ribosomes in the cytoplasm which translate the mrna into a polypeptide (1o protein structure)

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