CIE IGCSE Biology: 复习笔记：17.1.3 Genes & Proteins
CIE IGCSE Biology: 复习笔记：17.1.3 Genes & Proteins DNA Base Sequence To Amino Acid Sequence: Extended The DNA Base Sequence Determines the Amino Acid Sequence in Protein The DNA code (...
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CIE IGCSE Biology: 复习笔记：17.1.2 The Inheritance of Sex
CIE IGCSE Biology: 复习笔记：17.1.2 The Inheritance of Sex XX & XY Chromosomes Sex is determined by an entire chromosome pair (as opposed to most other characteristics that are ju...
CIE IGCSE Biology: 复习笔记：17.1.1 Chromosomes, Genes & Proteins
CIE IGCSE Biology: 复习笔记：17.1.1 Chromosomes, Genes & Proteins The Structure of Genes Inheritance of Chromosomes, Genes and DNA Inheritance is the transmission of genetic information ...
CIE IGCSE Biology: 复习笔记：16.1.6 Sexually Transmitted Infections
CIE IGCSE Biology: 复习笔记：16.1.6 Sexually Transmitted Infections STIs & HIV/AIDS Unprotected sexual intercourse can lead to the transfer of pathogens via exchange of body fluids Infec...
CIE IGCSE Biology: 复习笔记：16.1.5 Sexual Hormones in Humans
CIE IGCSE Biology: 复习笔记：16.1.5 Sexual Hormones in Humans Secondary Sexual Characteristics Primary sexual characteristics are present during development in the uterus and are the differe...
CIE IGCSE Biology: 复习笔记：16.1.4 Sexual Reproduction in Humans
CIE IGCSE Biology: 复习笔记：16.1.4 Sexual Reproduction in Humans The Male Reproduction System The male reproductive system Male reproductive structures and their function: The Female Reprod...
CIE IGCSE Biology: 复习笔记：16.1.3 Sexual Reproduction in Plants
CIE IGCSE Biology: 复习笔记：16.1.3 Sexual Reproduction in Plants Insect-Pollinated Flowers Flowers are the reproductive organ of the plant They usually contain both male and female reproductive pa...
CIE IGCSE Biology: 复习笔记：16.1.2 Sexual Reproduction
CIE IGCSE Biology: 复习笔记：16.1.2 Sexual Reproduction Gametes & Zygotes Sexual Reproduction Sexual reproduction is a process involving the fusion of the nuclei of two gametes (sex cell...
CIE IGCSE Biology: 复习笔记：16.1.1 Asexual Reproduction
CIE IGCSE Biology: 复习笔记：16.1.1 Asexual Reproduction Asexual Reproduction Asexual reproduction does not involve sex cells or fertilisation Only one parent is required so there is ...
