Topic 1 A Level Edexcel Biology B
Topic 1- A Level Edexcel Biology B
Here are the best resources to pass Topic 1 A Level Edexcel Biology B. Find Topic 1 A Level Edexcel Biology B study guides, notes, assignments, and much more.
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Exam (elaborations)
Topic 1- A Level Edexcel Biology B Exam
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---11November 20252025/2026A+
- sucrose - answer-sweet tasting disaccharide formed by the joining of a glucose and fructose by a glycosidic bond 
 
glucose - answer-hexose sugar 
 
triose sugar - answer-sugar with 3 carbon atoms and important in mitochondria 
 
pentose sugar - answer-sugar with 5 carbon atoms and important in nucleic acid 
 
ribose - answer-pentose sugar that makes up part of the structure of RNA 
 
deoxyribose - answer-pentose sugar that makes up part of the structure of DNA 
 
deoxyribonucleic acid - answer-...
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MrBlaqe
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Exam (elaborations)
TOPIC 1- A LEVEL EDEXCEL BIOLOGY B EXAM QUESTIONS AND ANSWERS 100% CORRECT!
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---14October 20242024/2025A
- condensation reaction - ANSWER reaction in which a molecule of water is removed from the reacting molecules as a bond is formed between them 
 
glycosidic bond - ANSWER covalent bond formed in a condensation reaction 
 
anion - ANSWER negative ion formed when an atom gains an electron 
 
cation - ANSWER positive ion formed when an atom loses an electron 
 
ionic bonds - ANSWER attractive forces between oppositely charged ions 
 
covalent bonds - ANSWER formed when atoms share electrons 
 
dipole...
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Luckyexams
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Exam (elaborations)
Topic 1- A Level Edexcel Biology B Questions and Complete solutions
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---14February 20242023/2024A+
- Topic 1- A Level Edexcel Biology B Questions and Complete solutions 
 
monosaccharides 
single simple sugar molecule 
disaccharides 
sugar made up off two monosaccharide units joined by a glycosidic bond formed in a condensation reaction 
polysaccharides 
polymer made up of long chains of monosaccharide units joined by glycosidic bonds 
condensation reaction 
reaction in which a molecule of water is removed from the reacting molecules as a bond is formed between them 
glycosidic bond 
covalent b...
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