Summary A Level SNAB Biology Topic 3: Voice of the Genome notes
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Course
Topic 3: Voice of the Genome
Institution
PEARSON (PEARSON)
These are A* quality notes that I wrote during my A Levels to help me revise for A Level Edexcel A SNAB Biology. Notes and resources for this exam board are very limited so I hope these notes help students that are struggling to find resources online. I wrote these using my class notes, the Edexcel...
These are A* quality notes that I wrote during my A Levels to help me
revise for A Level Edexcel A SNAB Biology. Notes and resources for
this exam board are very limited so I hope these notes help students
that are struggling to find resources online. I wrote these using my
class notes, the Edexcel SNAB textbook, mark schemes and other
online resources such as savemyexams. At the end of the document,
I have written some common exam questions that I came across
during my revision along with their mark scheme points so you can
see which points are important to revise. Once you have read through
topics, I’d highly recommend doing exam questions and trying to
finish the specification as soon as possible so you can do as much
exam prep as possible. I hope these notes are useful for you as they
were for me and I wish you luck in your studies!
https://notesbyprabs.etsy.com
, DNA is not
enclosed slims asena from attack by
x
·
A
cells of immune system
Prokaryotic cells
& ~
Pili
~
.
C
helps bacteria
/
circular DNA
Circular .
Not attache
e to
attach
↳ any surfaces
histme
proteins
- v
1
-
>
-
↑
0 ziagellum
-
>
Rotates Lo
/
Safe
-
·
move the
cell
S mana
Plasmids -
Loops of DNA
·
Antibiotic
resistance
-
·
Protein synthesis
Plasma membrane
Eg
-
Bacterial cells
, ↳ DescriptionNA is enclosed
↳
Function
Eukaryotic Cells
Nucleus
chicroplasts controls cell's Nucleolus
-surrounded by membrane activities
a makes ribosomes
-1↑
-) Thylakad membranes
↳ Grand-linked lamel de
I
-
site where photosynthesis
takes place
fig
⑯
-
Wamoma"wi :
W00
⑧
Amyloplast
- -Lysosomes
0
L
. L
↳
L
8 -
L digestive contains
0
-
Nuclear ~
!... enzymes
~
C 0 :.
...
Enclosed by - -can be used lo
membrane Envelope D ↑
digest invading
-
-
. . .L
cells/break down
-
storage of Starch
S icuble membrane
pores allow substances
-won aut
-
components
S
...: .
qains
" to more between chromation
e
convert Starch
-
8
-&
nucleus &
0↳
made from
-
cytoplasm
·
DNA & proteins
·
E
= ⑳
into glucose .......
for release 0 N
Golgi Ribosome
so
·
nO
-
Apparatus Lo
·
0
·
-
Either HLOCAS
⑧
Fluid-filled membrane 0
↳
·
turgid free or attached
OE
-keeps cell bound ,
flattened 0
involved in
made
- mitochondria
sasenpaste
-
a
↳
E breakdown
isolation of -
-
Weat
proteins
wanting - M
cel ·
proteins are
usually wal-shaped
Double membrane->
made
4
-
-
ne faded
b for
I
0 ...
....
mainnurai
=
centricle
-
Ribosome
~
N
"W↳
ente
I CL
-in 7
in -
site involved in
=
·
-
-
App produced
separation of
*I /
/
enerchy chromosomes
--
middle
~ - A Rangn Andoplasmic
mat
lamella W Reticulum
systems of membrane enclosing fluid-filled space
covered with ribosomes
-
cutermost layer L I-Fords & processes proteins made at ibosomes
of cell
!
Region of
Smooth endoplasmic
·
cell wall where
-
Acts as an very thin
a dhesive for plasmodes (Reticulum .
~
stability
-channels to link cells
-
No ribosomes
-
Allows transport of synthesises - & processes linids
substances a communication
between cell
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