想完整地复习一门考试,不仅应该了解会考哪些内容,更应该清楚怎么考。本文就来分享一下AP生物知识点病原体抗药性的相关真题,这个内容既可以出变异又可以出DNA相关的题,一向被CB偏爱。所以大家要多多关注呀。
重要AP生物知识点罗列
evolution进化
1.evolution definition进化定义
2.Darwin evolution达尔文进化论
3.Modern evolution:现代进化论
4.Speciation物种形成
5.Phylogenetic tree进化树
6.Diversity and unity oflife:生物多样性和统一性
7.Evidence of origin oflife地球生命起源的证据
biological systems and free energy 生命系统和自由能
1.Living system生命系统
2.energy能量
3.photosynthesis光合作用
4.cell respiration细胞呼吸
5.Surface area to volume ratio:表面积和体积之比
6.Reproduction and energy : 繁殖和能量
7. Homeostasis & feedback:稳态和反馈
8.Cell membrane 细胞膜
9.Cell communication细胞通讯
information 信息
1.Nucleic acid核酸
2.DNA&RNA structureDNA和RNA结构
3.DNA replication DNA复制
4.Mitosis & Meiosis 有丝和减数分裂
5.Mendel inheritance 孟德尔遗传定律
6.Chi-square 卡方分析
7.Gene 表达基因表达(蛋白质合成)
8.Feedback regulation 反馈调节
9.DNA biotech生物技术
ecology 生态学
1.Molecular polymer; 分子多聚体
2.plant tissue and organ;植物组织和器官
3.animal system 动物系统
4.organism个体
5.Population;种群
6.Community群落
7.ecosystem生态系统
AP生物知识点:病原体抗药性真题
47. Malaria is caused by several different species of
Plasmodium, a protozoan parasite. Plasmodium resistance to the common drugs used to treat malaria has increased in recent years
In a scientific study.Plasmodium samples were analyzed in blood drawn from a large number of infected patients before drug treatment and
subsequently from the subset of infected patients with drug-resistant Plasmodium. DNA sequences of four different Plasmodtum genes thought to be involved in resistance were compared between samples from patients with drug-sensitive Plasmodium and patients with drug-resistant Plasmodium.
Which of the following best supports the hypothesis that preexisting mutations confer drug resistance?
(A) Drug resistance can sometimes be reversed
by simultaneous treatment with a drug that inhibits the drug-pumping mechanism of Plasmodium.
(B) Some of the mutations that occur most frequently in samples from patients treated with antimalarial drugs are detectable in Plasmodium samples collected prior to use of antimalarial drugs
(C) Continued use of the same antimalarial drugs leads to increased Plasmodium resistance.
(D) The same mechanism of drug resistance in Plasmodia isolated from separate
populations of patients resulted from an accumulation of new genetic mutations
希望以上内容可以更实用的角度帮大家理解抗药性这个AP生物知识点。从目前公布的2021年AP考试结果来看,仅有7个科目理想分上升,18个科目的满分率有不同程度地下降,足以见得AP对于学员的考核正在变得越来越严格。
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