AQA A Level Biology复习笔记4.3.2 Mutations in Chromosome Number
Mutations in Chromosome Number Mutations can occur at different levels Non-disjunction occurs when chromosomes fail to separate during meiosis This occurs spontaneously The gametes ma...
AQA A Level Biology复习笔记4.2.6 Nucleic Acid & Amino Acid Sequence Comparison
Relating Nucleic Acid & Amino Acid Sequences A triplet is a sequence of three DNA bases that codes for a specific amino acid A codon is a sequence of three mRNA bases that codes for a sp...
AQA A Level Biology复习笔记4.2.5 Translation
Translation A gene is a sequence of nucleotide bases in a DNA molecule that codes for the production of a specific sequence of amino acids, that in turn make up a specific polypeptide (prote...
AQA A Level Biology复习笔记4.2.4 Eukaryotic Transcription
Eukaryotic Transcription The genome within eukaryotic cells contains many non-coding sections Non-coding DNA can be found: Between genes, as non-coding multiple repeats Within genes, as intr...
AQA A Level Biology复习笔记4.2.3 Transcription
Transcription A gene is a sequence of nucleotide bases in a DNA molecule that codes for the production of a specific sequence of amino acids, that in turn make up a specific polypeptide (pro...
AQA A Level Biology复习笔记4.2.2 The Structure of RNA
The Structure of mRNA and tRNA Like DNA, the nucleic acid RNA (ribonucleic acid) is a polynucleotide – it is made up of many nucleotides linked together in a long chain Like DNA, RNA nucleot...
AQA A Level Biology复习笔记4.1.7 Non-Coding DNA
Non-Coding DNA The genome within eukaryotic cells contains many non-coding sections of DNA Non-coding DNA does not code for any amino acids Non-coding DNA can be found between genes, ...
2023英国大学本土排名CUG TOP20院校A-Level成绩及雅思要求
6月14日，全英三大权威排名之一的完全大学指南CUG（Complete University Guide）发布了2023年英国大学排名榜单！作为专注于本土大学的英国榜单，此次排名共有130所大学上榜，涵盖了74个专业领域。 2023CUG排名亮...
AQA A Level Biology复习笔记4.1.6 The Triplet Code
The Triplet Code A gene is a sequence of nucleotide bases in a DNA molecule that codes for the production of a specific sequence of amino acids, that in turn make up a specific polypeptide (...
