Salters-Nuffield AS/A level Biology Student Book 1 ActiveBook
Describes the structure of carbohydrates and lips including the reactions and bonding types. Includes functions of certain disaccharides and polysaccharides. Descriptions of saturated and unsaturated lipids. All with useful diagrams and tables. All labelled n highlighted key terms .
Summary Salters-Nuffield AS/A level Biology Student Book 1 + ActiveBook - Unit 1 - Lifestyle, Transport, Genes and Health
Lecture notes Unit 1 - Lifestyle, Transport, Genes and Health Salters-Nuffield AS/A level Biology Student Book 1 + ActiveBook
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Written for
A/AS Level
PEARSON (PEARSON)
Biology 2008
Unit 1 - Lifestyle, Transport, Genes and Health
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Content preview
Carbohydrates
↳
Organic molecules with
general formula
:
Cm(H20)n
↳
Sugar + Starch
:
↳
Sugars come under monosaccride ,
disaccaride or polysaccharides
1 -I 11
-
- I
-
HO + Y
IH
8 -
HOOH
I HO-
- -OH
-
Monosaccharide Monosaccharide i Y
condensation
reaction
Disaccaride
HO-
-- I
~
8- O- - -
Polysaccharide .
Monosaccharides
↳ General formula (CH2O)n
↳ Commonly have 6 carbons in their structure =
hexcose
sugar
3 Little is needed
change to get energy via respiration
CH2OH CH2OH
I
-I
O -g CH2OH
- X'tI
-
H HO OH O
H
I it &C
I
ooh-
-
↳ The
example here is a 1-4 bond in the
glycosidic making of maltose
It A-
CH2Olt
9- It
9It
- 128H
-&
- - -H H H
H
↓
-T I H
-
&OH
H *
Oh
t -
on
-
I
oh Oh
-
condensation
-
> &
-&-
-
OH
H
-& -
-
dit
OH - OH g
H it OI it
Monosaccharide Monosaccharide
>
1-
Disacca
Disaccharides
Disaccharide Monosaccharide function
Sucrose Glucose + Common form
Fructose for transport in
plants
Maltose Glucose t
Formed in the
Glucose break down of
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