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scienceTRANSCRIPT
-
Am
ali
Pro
ses
Sai
ns
For
m 4
P
ener
bita
n Pe
lang
i Sdn
Bhd
1
The
Hum
an N
ervo
us S
yste
m
Spi
nal
cord
Bra
in
Spi
nal
nerv
es
Cra
nial
ne
rves
Periph
eral
ne
rvou
s sy
stem
Cen
tral
ne
rvou
s sy
stem
C
hapt
er 2
Bo
dy C
oord
inat
ion
-
The
Hum
an E
ndoc
rine
Sys
tem
Pitu
itar
y gl
and
Thyr
oid
glan
d
Panc
reas
Adr
enal
gla
nd
Ova
ry(f
emal
e)
Test
is (
mal
e)
Male
Fem
ale
Gla
nd
/o
rgan
Pituitary
gla
nd
Thyro
id g
land
Adre
nal gla
nd
Ovary
Pancr
eas
Test
is
Am
ali
Pro
ses
Sai
ns
For
m 4
P
ener
bita
n Pe
lang
i Sdn
Bhd
2
Cha
pter
2
Body
Coo
rdin
atio
n
-
Am
ali
Pro
ses
Sai
ns
For
m 4
P
ener
bita
n Pe
lang
i Sdn
Bhd
3
Pare
ntce
ll
Cen
trom
ere
Spi
ndle
fibr
e
Mito
sis
C
hapt
er 3
H
ered
ity a
nd V
aria
tion
Chr
omos
omes
lin
e up
at
the
cell
equa
tor.
They
ar
e at
tach
hed
to
spin
dle
fibre
s w
hich
are
co
nnec
ted
to
the
pole
s.
Each
chr
omos
ome
doub
les
to
beco
me
a pa
ir
of c
hrom
atid
s jo
ined
at
the
cent
rom
ere.
Cen
trem
ere
split
s.
Each
ch
rom
atid
is n
ow
a ch
rom
osom
e.
The
chro
mos
omes
ar
e pu
lled
to t
he
oppo
site
pol
es a
t th
e ce
ll.
Two
iden
tica
lda
ught
erce
lls a
re
form
ed.
Cyt
opla
smdi
vide
s.
-
Am
ali
Pro
ses
Sai
ns
For
m 4
P
ener
bita
n Pe
lang
i Sdn
Bhd
4
Cha
pter
3
Her
edity
and
Var
iatio
n
Pare
nt c
ell
Pairin
g of
hom
olog
ous
chro
mos
omes
tak
es p
lace
. Cro
ssin
g-ov
er o
ccur
s an
d ch
rom
osom
e se
gmen
ts a
re
exha
nged
bet
wee
n pa
irs
of
hom
olog
ous
chro
mos
omes
.
Cen
trom
ere
split
s; t
he
resu
ltin
g ch
rom
osom
es
mov
e to
opp
osite
pole
s of
the
cel
l. Cyt
opla
sm
divi
des.
Hom
olog
ous
chro
mos
omes
sepa
rate
.
Chr
omos
omes
line
up a
t th
e ce
ll eq
uato
r. Fo
ur n
on-i
dent
ical
dau
ghte
r ce
lls a
re for
med
. Th
ese
are
the
gam
etes
.
Cyt
opla
sm
divi
des.
Meio
sis
II
Meio
sis
I
Mei
osis
-
Am
ali
Pro
ses
Sai
ns
For
m 4
P
ener
bita
n Pe
lang
i Sdn
Bhd
5
Cha
nges
in th
e St
ate
of M
atte
r
Mel
ting
Boi
ling
Con
dens
atio
n
Sub
limat
ion
Sub
limat
ion
- he
at
- he
at
+ h
eat
Free
zing
+ h
eat
+ h
eat
- he
at
Free
zing
Con
dens
atio
nBoi
ling
Mel
ting
Sub
limat
ion
Wat
er
Wat
erIc
e
Ice
Boi
led
wat
er
In t
hefr
eeze
r
Am
mon
ium
ch
lorid
eva
pour
Am
mon
ium
ch
lorid
e
Wat
erdr
ops
Ice
Ice
Ste
am
Ste
am
Sol
idLi
quid
Gas
C
hapt
er 4
M
atte
r and
Sub
stan
ce
-
Am
ali
Pro
ses
Sai
ns
For
m 4
P
ener
bita
n Pe
lang
i Sdn
Bhd
6
Cha
pter
5
Ener
gy A
nd C
hem
ical
Cha
nges
Elec
trol
ysis
of L
ead(
II) B
rom
ide
Bro
min
e ga
s is
rel
ease
d
Sw
itch
Cru
cibl
eLe
ad(I
I) b
rom
ide
Car
bon
elec
trod
es
Hea
ted
Lead
met
al is
dep
osited
A
-
Am
ali
Pro
ses
Sai
ns
For
m 4
P
ener
bita
n Pe
lang
i Sdn
Bhd
7
Cha
pter
6
Nuc
lear
Ene
rgy
The
Prod
uctio
n of
Nuc
lear
Ene
rgy
Nu
clear
fiss
ion
Nu
clear
fuss
ion
Neu
tron
with
high
vel
ocity
Two
light
nu
clei
com
bine
A h
eavi
er
nucl
eus
Ener
gy
rele
ased
Thre
e ne
utro
ns
are
rele
ased
Two
new
nuc
lei
are
form
edN
ucle
us o
f ur
aniu
m-2
35
Nuc
leus
spl
its
into
tw
oN
ucle
ar e
nerg
y
-
Am
ali
Pro
ses
Sai
ns
For
m 4
P
ener
bita
n Pe
lang
i Sdn
Bhd
8
Cha
pter
8
Che
mic
als i
n In
dust
ry
Prod
uctio
n of
Am
mon
ia in
Indu
stry
(Hab
er P
roce
ss)
Hyd
roge
nan
d ni
trog
en
Gas
es a
re
mix
ed a
nd
scru
bbed
Iron
cat
alys
t
Nitro
gen
Hyd
roge
n
Con
vert
erCom
pres
sor
Coo
ler
Tem
pera
ture
:45
0C -
550
CPr
essu
re:
200
atm
Liqu
idam
mon
ia
Unr
eact
edhy
drog
en a
ndni
trog
en
Nitro
gen
+ H
ydro
gen
Am
mon
ia
450
C -
550
C20
0 at
m
Iron
cat
alys
t