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TOPIC 1-A LEVEL EDEXCEL BIOLOGY B EXAM COMPLETE WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) / ALREADY GRADED A+ CA$16.69   Add to cart

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TOPIC 1-A LEVEL EDEXCEL BIOLOGY B EXAM COMPLETE WITH DETAILED VERIFIED ANSWERS (100% CORRECT ANSWERS) / ALREADY GRADED A+

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  • Course
  • Biology Edexcel B
  • Institution
  • Biology Edexcel B

monosaccharides - ANS single simple sugar molecule disaccharides - ANS sugar made up off two monosaccharide units joined by a glycosidic bond formed in a condensation reaction polysaccharides - ANS polymer made up of long chains of monosaccharide units joined by glycosidic bonds ...

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  • October 27, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
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  • Biology Edexcel B
  • Biology Edexcel B
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TOPIC 1-A LEVEL




K
C
EDEXCEL BIOLOGY B
LO
EXAM COMPLETE
WITH DETAILED
YC
VERIFIED ANSWERS
D


(100% CORRECT
U



ANSWERS) / ALREADY
ST




GRADED A+

, monosaccharides - ANS single simple sugar molecule

disaccharides - ANS sugar made up off two monosaccharide units joined by a glycosidic bond
formed in a condensation reaction

polysaccharides - ANS polymer made up of long chains of monosaccharide units joined by




K
glycosidic bonds

condensation reaction - ANS reaction in which a molecule of water is removed from the




C
reacting molecules as a bond is formed between them

glycosidic bond - ANS covalent bond formed in a condensation reaction




LO
anion - ANS

cation - ANS
negative ion formed when an atom gains an electron

positive ion formed when an atom loses an electron
YC
ionic bonds - ANS attractive forces between oppositely charged ions

covalent bonds - ANS formed when atoms share electrons

dipole - ANS separation of charge in a molecule when the electrons in a covalent bond are
not evenly shared
D

polar molecule - ANS molecule containing a dipole
U


hydrogen bonds - ANS weak electrostatic intermolecular bonds formed between polar
molecules containing at least one hydrogen atom
ST




monomer - ANS small molecule that is a single unit of a larger molecule called a polymer

polymer - ANS long chain molecule made up of many smaller repeating monomer units joined
together by chemical bonds

macromolecule - ANS very large molecule formed by polymerisation

starch - ANS energy store in plants made of amylose and amylopectin. Insoluble and
compact and can be broken down rapidly to release glucose

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