2022广州省实越秀学校国际部招生补录报满即止!
2022年广州省实越秀学校国际部秋季招生补录还有少量名额将于2022年8月8日-18日进行线下入学考试,欢迎有意向的应届初三学生报考!报名截止时间为:2022年8月25日(报满即止) 最近两年,广深地区国际化学校发展势...
2022年广州省实越秀学校国际部秋季招生补录还有少量名额将于2022年8月8日-18日进行线下入学考试,欢迎有意向的应届初三学生报考!报名截止时间为:2022年8月25日(报满即止) 最近两年,广深地区国际化学校发展势...
Forming the Glycosidic Bond To make monosaccharides more suitable for transport, storage and to have less influence on a cell’s osmolarity, they are bonded together to form disaccharides and polysa...
Reducing & Non-Reducing Sugars Sugars can be classified as reducing or non-reducing; this classification is dependent on their ability to donate electrons Reducing sugars can donate electrons (...
Covalent Bonds in Polymers A covalent bond is the sharing of two or more electrons between two atoms The electrons can be shared equally forming a nonpolar covalent bond or unequally (where an atom...
Biological Molecules: Key Terms The key molecules that are required to build structures that enable organisms to function are: Carbohydrates Proteins Lipids Nucleic Acids Water The key biological m...
Testing for Non-Reducing Sugars Sugars can be classified as reducing or non-reducing; this classification is dependent on their ability to donate electrons (a reducing sugar that is able to donate ...
The Benedict's Test for Reducing Sugars Method Add Benedict's reagent (which is blue as it contains copper (II) sulfate ions) to a sample solution in a test tube It is important that an excess of B...
Testing for Key Biological Molecules There are a number of tests that can be carried out quickly and easily in a lab to determine if a sample contains one of the key biological molecules (carbohydr...
Key Features of Viruses Viruses are non-cellular infectious particles that straddle the boundary between ‘living’ and ‘non-living’ They are relatively simple in structure; much smaller than prokary...
Structural Features of Typical Prokaryotic Cells Animal and plant cells are types of eukaryotic cells, whereas bacteria are a type of prokaryote Prokaryotes have a cellular structure distinct from ...
The Vital Role of ATP All organisms require a constant supply of energy to maintain their cells and stay alive This energy is required: In anabolic reactions – building larger molecules from smalle...
Electron Micrographs: Animal Cells TEM electron micrograph of an animal cell showing key features Exam Tip You should be able to describe and interpret photomicrographs, electron micrographs and dr...
© 2025. All Rights Reserved. 沪ICP备2023009024号-1