USMLE PATHOLOGY > EXAMs > MSN 570 Midterm Review Exam (All)

MSN 570 Midterm Review Exam

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MSN 570 Midterm Review Exam Missense mutation A base-pair substitution that results in a codon that codes for a different amino acid. Silent mutation A mutation that changes a single nucleotide, but ... does not change the amino acid created. Nonsense mutation A mutation that changes an amino acid codon to one of the three stop codons, resulting in a shorter and usually nonfunctional protein. Beta cell function -in the Islet cells of Langerhans -secretes insulin Ribosomes Makes proteins Golgi apparatus A system of membranes that modifies and packages proteins for export by the cell Endoplasmic Reticulum A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another. Gene expression process by which a gene produces its product and the product carries out its function Transcription (genetics) the organic process whereby the DNA sequence in a gene is copied into mRNA Deoxygenated blood blood that is oxygen-poor Cardiac output heart rate x stroke volume Amino acids building blocks of proteins DNA and [Show More]

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