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Lecture notes

biology - monomers

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biology unit 1 monomers

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  • July 20, 2021
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  • 2020/2021
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Monomers & Polymers
Monomer : A small basic unit / small molecule from which
molecules of
larger are made up .




e.
g) D. N .
A nucleotide

A
Polymer :
large molecule made up of
repeating monomers .




formed POLYMERIZATION
polymers are
by the process .




This 2 condensation
occurs when come
together a



monomers ,

reaction takes
place .




( OH ) is removed from
hydroxyl group
:
Step a one monomer and a

from another
hydrogen atom is removed monomer .




Step 2 : is left which allows the to bind
one
oxygen ,
monomers


together the 2 monomers .




( H2O )
Step 3 water molecule is produced as
by-product
: a
" "


,
hence condensation reaction .




IH to H H t
H2O ①
hydroxyl o + OH


groups H2O




broken down form
Polymers be to in process


can monomers a

called HYDROLYSIS


water molecules break down the bonds in then
polymers ,
which splits into

its constituent parts .
(opposite of condensation reaction ) .




EH Io
'
H T
H t
H2O ①
T
k monomers ) H2O (
polymer )

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