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Summary (International) AL Biology Unit 1 DISCOUNTED FULL COURSE $10.49   Add to cart
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  2.  
  3. PEARSON (PEARSON)
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  5. Biology 2008
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  7. Unit 1 - Lifestyle, Transport, Genes and Health

Summary

Summary (International) AL Biology Unit 1 DISCOUNTED FULL COURSE

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  • Course
  • Unit 1 - Lifestyle, Transport, Genes and Health
  • Institution
  • PEARSON (PEARSON)
  • Book
  • Edexcel A level Biology B Student Book 2 ActiveBook

Do you struggle with biology, feeling like there's so much to study and so little time to do it? Do you ever look at the textbook and wonder why the author can't release a more straightforward book? Do you ever wish for a summary? This document is for you! Everything in the first unit of the IAL ...

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  • No
  • Unit 1
  • February 20, 2018
  • 15
  • 2017/2018
  • Summary

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  • ial
  • biology
  • 2008
  • edexcel
  • advanced level
  • british
  • british curriculum
  • unit 1
  • discounted
  • budget
  • proteins
  • fats
  • carbohydrates
  • dna
  • protein synthesis
  • prot
  • al
  • pearson
  • international advanced level
  • summary
  • notes

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  • PEARSON (PEARSON)
  • Biology 2008
  • Unit 1 - Lifestyle, Transport, Genes and Health
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Water

Characteristic of water:
● Polar/dipole
● Hydrogen bonds caused by H’s attracted to O’s.
● (High) specific heat capacity. Prevents temp fluctuations in body and bodies of
water.
● Polar solvent (ionic molecules disassociated because of polarity of water.)
● Surface tension/cohesion (because of Hydrogen bonds.)
● Amphoteric (pH buffer because of OH- and H+)

Colloids: solid (bigger) particles spread out (milk.)
Emulsion: liquid suspended in another liquid.
Suspension: solid particles mixed with liquid (sand.)

Carbohydrates

Monosaccharides:
● One unit
● Dissolve in water
● Hexoses include: glucose, fructose and galactose
● Sweet

Disaccharides:
● (C6H10O5)n
● Condensation reaction= Glycosidic bonds
● Sweet
● Dissolve in water

Disaccharide Monosaccharide Found
Maltose 2 x Glucose Wheat
Lactose Glucose & Galactose Milk
Sucrose Glucose & Fructose Fruit

Polysaccharides:
● Storage or Structural.
● Storage= insoluble, inert, compact, readily accessible.

Starch:
● Amylose (20-30%, alpha glucose, spirals held by hydrogen bonds (compact), 1-4
glycosidic bonds, unbranched.
● Amylopectin (alpha glucose, branched (1-4 and 1-6 glycosidic bonds so faster to
break down)


Glycogen:

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