1. Paper2考试时间为2小时,增加30分钟,分值与权重为60分,总成绩比重增加到33% 2.Paper 2新增了一篇论文(分值增加20分), SectionB是二选一的微观论文(20分),SectionC是二选一的宏观论文(20分), 以往的论文题目只需要三选一即可,宏观或微观题目都可选,对偏科的学生比较友好;但是,新考纲要求宏观和微观各选一...
Paper2——AS Level Structured Questions 考试时长共1小时15分钟,结构性问题,共60分。考查范围主要是AS阶段的学习内容,具体可参见上文。 Paper3——Advanced Practical Skills 考试时长共2小时,Paper3是以实验为基础的考试,考查实验技能和结构性问题,2-3道题,共40分。 Paper4——A-Level Structured Questions 考...
A level 生物 2020年夏季 真题试卷1(含答案)版本2 A level Biology 2020 Summer Past Exam Paper 1 (with answer) v2.pdf,PMT Cambridge International AS A Level BIOLOGY 9700/12 Paper 1 Multiple Choice May/June 2020 1 hour You must answer on the multiple choice
Understanding the evolutionary forces related to climate changes that have been shaped genetic variation within species has long been a fundamental pursuit in biology. In this study, we generated whole-genome sequence (WGS) data from 65 cross-bred and 45 Mongolian cattle. Together with 62 whole-ge...
CheckM (v1.1.3)70was used to evaluate the quality of marine prokaryotic genomes, and only high-quality genomes (completeness > 80% and contamination < 5%) were retained. For species-level descriptions, MUMmer-based71average nucleotide identities (ANIs) among all the genomes were calculat...
On a fine-grained level, these technologies can be used to explore the interactions among neighboring cells and intracellular and extracellular states, which helps redefine the function of cells and improves our knowledge of diseases2. The current spatial transcriptomics technologies can be mainly ...
2014;15(12):1–21 Available from: https://genomebiology.biomedcentral.com/articles/10.1186/s13059-014-0550-8. Cited 4 Nov 2022. Soneson C, Love MI, Robinson MD. Differential analyses for RNA-seq: transcript-level estimates improve gene-level inferences. F1000Research. 2015;4:1521 /pmc/...
Single-cell RNA sequencing (scRNA-seq) can contribute to identifying distinct cell populations involves in carcinogenesis and profiling marker genes at single-cell level [15, 16]. Understanding the heterogeneity of tumor microenvironment (TME) in drug resistance mechanisms and identify more effective ...
Mapping cell type-specific gene expression quantitative trait loci (ct-eQTLs) is a powerful way to investigate the genetic basis of complex traits. A popular method for ct-eQTL mapping is to assess the interaction between the genotype of a genetic locus
We anticipate that Well-TEMP-seq will be broadly applicable to other biological systems to characterize the temporal dynamics of gene expression at the single-cell level. Results Working principle of Well-TEMP-seq Well-TEMP-seq is built on our recently developed size-exclusion and locally quasi-...