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Summary

Summary GRADE 11 BIOLOGY NOTES

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In this detailed summary I have included the following topics: Micro-organisms - their role in the ecosystem; various characteristics; diagrams; examples of diseases in each micro-organism. The urinary system - nephron detailed diagram; negative feedback diagrams and biological diagrams as well as functions in the urinary system.

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Institution
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Schooljaar
201

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Uploaded on
March 17, 2021
Number of pages
17
Written in
2020/2021
Type
Summary

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excretion worksheet all You need to know for exams ! Sodium pump : NB ! Not hormonal

Funk

main =
conservation of water .



eff A
distal convoluted
Malpighian tubule CDC"
need to the gradient


area
Body change
glomerulus -
Pc El tissue outside = be
nephron
• -




podocyte Bowman 's capsule
layer


pump sodium ions outside nephron
Renal artery

Renal vein •
osmosis =
movement of water From Tc - do thro


collecting
ducts
Selectively permeable membrane .



.




×
medulla 9420 (medulla)
→ Nat 4206
Nat
convoluted
proximal
tubule CPCT) Chan econ ofsalts
'




Hao
. -




so can move out!


Nat lowers concentration
peritubular
capillaries asc

Filtrate passes through LOH
-


loop or .




Henk

dec loop
Sodium out tissue f
'




of Henie
. .
ions pass .




I H2O to outside Nephron .




URINE




for Ultra filtration
adaptations
efferent A =
narrower & Afferent A = wider

builds up force out smaller subst
'




pressure
-
. .




large surface area (
Malpighi an body) due to cap in
glom .




→ infiltration slits allow subst to enter
podocyte layer
'




has . . .




allow small
capillary walls layer thin subst through
'




are one . .
.
.




adaptations for proximal convoluted tubule :

millions of micro villi inc SA for
'




absorption
-
. .




wall is 1 cell thick i .
subst can move through easily
Cmouesubst back
mitochondria provide energy for active transport
into body : .
not form
urine )




Stirn .




less adh > CD adrenal beta
perm pancreas >
pituitary gland & DCT dec
gland > less aldosterone

less perm to Inc glucose insulin
salt
Bv inc Nat con inc t
n less H2O moves meal
cold =
less
(normal H2o) to BS
Nat BS G -

Gly
homeostasis sodium & salt balance normal glucose
more H2O moves ( in Blood) /
Gly
to BS V
Bu dec cblbc , =
more
fast
- G
Nat Bs
Natdec
perm Dcd dec glucose
pituitary gland Dc , ing more perm to Glucagon
Stirn Salt
adrenal pancreas → alpha
.




more aah more aldost
gland
.

,
, l
I l

important things to remember : - -

- nucleic acid
-



acellular -


A - An -
§ -


protein capsid
'
' envelope protein
small E extra '

extremely
-




viruses :
-

i
,
l l envelope


D different
-




cliff
-




-
shapes
obligate =
needs a host to survive .




no metabolic R
-

M -
man
-


material of host to { -

protein capsid
use
genetic multiply .




't reproduce C nucleic acid
-



can cannot
-




-
don't directly use
energy ; don't actively maintain Stv
collar
.




-


P -


please
-


obligate intracellular parasites -
unable to repr .
parasitic -
sheath
⇐ Base plate
-
-

A -




don't belong to Can assemble them all pins
a
Kingdom .
.




-
tail fibres
-
P
RNA pathogens people
-



retrovirus
-


=


a diagram Bacteriophage :




Bacteria :
DNA Cnadeoid)
Kingdom -
- Monera -
M -
most
mmmm Ribosome


{?q@j! }
-


DNA floats freely in cytoplasm unicellular U
.
Slime car
ugly
-
.
-
.




)
.

cell wall
f
.




Slime cap
-
out

T.ly
-


prevents dry P
prokaryotic people
- -



cell memb
t .




t barrier
against phagocytes E flagellum
every hab eat
-
-




Structure
-


pili -

hair like -
structures on Bacteria .
of a
typical bacterium :



shape
-
S
Class Ifi
flagella locomotion
-
.
-
- .




E coccus chemo in org Chem
energy food
-
-
- .
. -




O oacillus
* in fav conditions !
-




photos sun
-




our
asexual - A
-

Spiritus
Bf ! I hetero org matter
-




Protist a :




i. Animal like -




Ccilialpseudl flagellum
= hetero / para
how they move


eukaryotic
-
-
M

E
#
Q
①- chloroplast
nucleolus
nucleus
(Euglena)

contractile Vac
( Amoeba )
-




Z Plant like auto BF , L
flagellum
- -
.
-




Food vacuole
~

£$-
.




( Uni asexual
-


A contractile vacuole
=
Euglena / multi = kelp
endoplasm
1 colonies -
Volvox Obtain nutrients -

N
ectoplasm
3. ZYGOSPORE )
fungus -
like decamp -

g
Nucleus
sexual
pseudo podium




Fungi ④east Imeulti rehash rooms tmoukl]
:
④ni - -
-




t mycelium
I
hypae
-
=




Kingdom fungi f freaky
-


chitin
-
-

cell wall -


sporangium
.




hyphae E Emma sporangiaspore
have cross walls Septa eukaryotic
-
= - -


.




( bread moulds don't have t) sporangia Phare
heterotrophic saprophytes -
H -
has hypae m y stolen

hyphae have it Nuclei
AfDb
- -




(rep ) Spores S rhizoids
-

some


filamentous -
f -



furry a
diagram : the mycelium of Rhizopus

cell wall -
-
chitin
-
C -


creatures
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