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2024年江西省中考押题卷数学.考卷答案试卷答案
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Anewdocumentary,MeattheFuture,exploresthecellbasedbeefandpoultrybeingdevelopedatMemphisMeats,afoodtechnologycompanyinCalifornia."Iwasdrawntothetopicasagreatsolutiontosomeoftheworld'sbiggestproblemsthatIhappentocarealotabout,likeanimals,theEarth,andhumanhealth,"saysLizMarshall,whoproduced,anddirectedMeattheFuture.ThecompanythatMar-shallfocusesonsoundslikesomethingoutofasci-finovel.CofoundedbyUmaValeti,whowastrainedasacardiologist病专家)，MemphisMeatstakescellsfromanimalsandgrowstheminalab,withthehopeofmakingdeliciousburgers,chicken,andevenfish.Cell-basedmeatalsoreducestheriskofsuffer-ingfromdiseases.
10.研究遗传变异的分子机制,能为进化学和人类健康增添助力。下列有关基因突变的叙述正确的是AGAGGVGA.血红蛋白中谷氨酸的密码子GAG变为GUG,改变了DNA碱基对内的氢键数B..基因突变后的基因都将会遵循盂德尔遗传规律传递给后代T/A→C1IGC..基因突变产生新的等位基因,可以使种群的基因频率发生变化D.从基因角度看,结肠癌发生的原因只是抑癌基因发生了突变
