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Concerning the structure of cardiomyocytes; Cardiomyocytes are connected by intercalated discs.

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Ingrid har diagnostiserats med bröstcancer vid 41 års ålder. I hennes familj noterar man att hennes mamma har dött vid 50-års ålder pga ovarial cancer samt hennes mormor har dött av bröstcancer vid 45-års ålder.Anna är 65 år gammal och hon har också nyligen diagnostiserats med bröstcancer. I Annas familj finns inga kända fall av bröst- eller ovarialcancer.Vilket av följande påståenden avseende dessa två patienter och deras familjer är falskt? (2,0 poäng)a). Ingrid är misstänkt att ha en familjär form av bröstcancer.b). Vid Ingrids bröstcanceroperation det är önskvärt att kirurgen opererar bort inte bara bröstet med cancer men andra bröstet också pga att hon har hög risk att utveckla cancer i kontralaterala bröstet.c). Ingrids mamma hade högre risk för att utveckla bröstcancer än Annas mamma.d). Ingrids lymfocyter skiljer sig från Annas lymfocyter genom att de har redan en mutation i BRCA1 eller BRCA2 genen.e). Om man tidigare upptäckt att Ingrids mamma är bärare av germline BRCA1 mutation, så skulle man ha kunnat förebygga Ingrids bröstcancer genom att operera bort Ingrids all bröstvävnad i tidig ålder.f). Ingrids döttrar har 50% risk att ärva mammans risk för att utveckla bröstcancer.g). Anna har högre risk för att utveckla ovarialcancer än andra kvinnor i hennes ålder och denna skulle kunna förebyggas om hon genomgår en operation med borttagning av hennes äggstockar och äggledarna (sk. bilateral salpingo-oophorektomi).h). Inga av ovanstående påståenden.

If 7 million workers are unemployed, 143 million workers are employed, and the adult population equals 200 million, then the unemployment rate equals approximately ______ percent.(a) 4.9(b) 7(c) 4.7(d) 3.5

Many antibiotics work by inhibiting bacterial protein synthesis. Investigators have isolated a promising new compound and wish to determine its mechanism of action. Using a cell-free translation system similar to the ones originally used to deduce the genetic code, the researchers incubate their drug with the synthetic polynucleotide 5'-AUGUUUUUUUUU.In the absence of the drug, this polynucleotide directs the synthesis of the peptide Met-Phe-Phe-Phe. When the drug is added, only the peptide Met-Phe is produced. Based on this observation, which is most likely the mechanism of action of this potential new antibiotic?

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