;v in' v:1 - wordpress.com · for every pyruvate molecule oxiuized in stage 2, ... form one...

6
PART B: Fill in the Blanks (10 marks) 1. In the Krebs Cycle, acetyl-CoA will combine with the four carbon molecule I t to form citrate. " 2·. For every pyruvate molecule oxiuized in stage 2, an acetyl-CoA molecule is produced. The other by- products of this transformation are C (J ----'-"''--....... --- 4. Starch is a storage molecule made up of repeating units of the sugar "\ 1 .. ./' Starch falls into the category of molecules called I n' i (' J :; - v:1 t <.> ; because it's ;V made up of repeating sugar subunits. 5. Electrons are passed to f he.I> ?L which is the primary electron acceptor from chlorophyll 680 in photosystem II . 6. The products of the light reaction of photosynthesis are BT P l 7. Glycolysis occurs in the ____-" while Pyruvate oxidation and the Krebs cycle occur in the __ _______ 8. Two molecules of "7 ! ri I . 't If Q will combine to form one moiecule of g(ucose i'n the Calvin cycle . 9. Name the enzyme used to catalyze the first step of the .dark reaction . (\A .- SL () 10. Name the gas released as a by-product of the light reaction. o rt '" ..... '-' -- of the mitochondrion. ----- - - - -- --- - - --- - -

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PART B Fill in the Blanks (10 marks)

1 In the Krebs Cycle acetyl-CoA will combine with the four carbon molecule

I O XCA ~Q(e(J t to form citrate

2middot For every pyruvate molecule oxiuized in stage 2 an acetyl-CoA molecule is produced The other byshy

products of this transformation are C(J ~ --------- shy

4 Starch is a storage molecule made up of repeating units of the sugar 1

Starch falls into the category of molecules called In i ( J - v1 t ltgt because its V made up of repeating sugar subunits

5 Electrons are passed to fheIgt L ~ ~ which is the primary electron acceptor from

chlorophyll 680 in photosystem II

~ 6 The products of the light reaction of photosynthesis are BTP

l 7 Glycolysis occurs in the _~~--=-fp os______- while Pyruvate oxidation and the KrebsC~ rtl ___nl

cycle occur in the __----tf1(t t( J~=_~1L________

8 Two molecules of (~ 7 ~ ri I t If ~Q will combine to form one moiecule of g(ucose in the Calvin cycle

9 Name the enzyme used to catalyze the first step of the dark reaction (A - SL()

10 Name the gas released as a by-product of the light reaction ort l~ ~e -

- shy of the mitochondrion

----- - - - - - --- - - ---- - --~

P PART C Short Answers (l5 marks)

1 Draw a sketch below of a chloroplast and indicate the locations and the names of the two major stages of photosynthesis (3 marks)

d M8 0 stQ9~ of pnotosy(lM ) )S

- ~

)

li9h o eJl~~ t

- - shy _-ri--=-shyReCAl t ~ --shy

_ t () tI J n

TVl IctlO 0 tJ Ilprunt

I

lq -t shy~cJJ~Ul-W t R ttl - Qj 1

-shyLOlut O ( bull

~ tf m If

- _----

2 The diagram below outlines the stages of glycolysis except that a few things are missing Complete the information in the diagram by

bull Filling in the names of the molecules that are missing (full names please) (3 marks)

bull Indicate WHERE and WHAT side reactions occur (use arrows etc to indicate where these reactions happen) (4 marks)

(L

reg

Z-phosphoglyceilte 2-phosphoglycernte (2P() (2PG)

~ l

phosploenolPfnrval )hosphoellolgtynIVnle (PEP) (PEP)

r f) Il r ~ 1 ~

~ J pyrtlVAleuro pynrviOle

3 Complete the table below that compares photosynthesis to cellular respiration (6 marks)

Cellular Respiration Photosynthesis

Energy (releasedabsorbed)

Electron carrier(s)

Electron source for ETC

Electron sink for ETC

ReI p [ge ct

N ~ Or h 0- t

~ ItL-)1

(~ - t

Mitochond rion

or

~

LIl t (

l~ S b I ~ Q lA ~-

NP)H Lshy

JJ td shy I )e bull

Chloroplast

u ri=shy

-_r c

I

GiP I ~

Location of H+ reservoir

Location of ATP synthesis

0 te n t )fO fla t SpCue MiCO L r(i n() rIt bull ( Y

I -

r I t (t ~

I )(f) r LA

I rre f

Part D-1NQ(1marks)

A small meteor from space lanrds in your back yard You find what looks like space bacteria on it

You think it may use aerobic respiration

You have the following tools available to you (you may not need them ali)

bull A test kit that can detect pH O2 levels CO2 levels NH 3 leves

bull A test that can detect monosachharides

bull A petri dish

bull Glucose

bull Protein powder e H20

bull A tank of CO2 gas

A strong Ultraviolet light source Jr ( y ( r~(-

You hypothesize that the creat~srraerobic rl sPiration Des-ign an experiment to te st your

hypothesis use the equationOf aerobic respiration to justify your answer (5 marks ) r

f l 0( middot 1 l1 (

middotUipoundn J If)y lSt ~(el ~ nd r ( euroe

a~h

r Ii -r Itmiddot II nol i (h ~

(j tbull j - Utlil t bra

hfs is tht 0

- ltj er~Ii (t ) 6t() 4 e r 14~-- ~

-() 1 ~ (Stp L IjJlth OlA r ) 1( l~ ~lO fJ ) Ih p t~~)i)lr - (b )O I ~iG - C t U 0 to middot () f(~

l~ 1 () t t ~ ( -) b(U l lt) I l J pro 01 ~middotI rI r (I (1 b( 07i iILt ~d ItV( r~v( (UU 1e( L Iii $rCI Lt

How could you redesign your experiment to test if the organism underwent photosynthesis (2 marks)

Tile c~Cln9es l(wt lw o ll~ bi mocU at

1) LbL ~ thL t~ ~t 1(lt lnO-t OU l~ fYl OflI)SCI (cI ()JlcA q tl~) wl fd pl1 ano gtl~~f t U~ ~

1 to t f ( rn ~ (H I 0 L ) T- pO It l ~( (tJYltTt I (yen~I r~ ( II I- ~II j t

0 ( flant t ~e if t(l(f I) re(tt I)

~ gtd ~ t ~I Aamp(rn~ ~lO Ct (t fr I r

if t)I Pi hG 1) Jok i 1t Y r t m v f1 Ii Hl dl( I i~ e ) 1

1)

() C til tie i ~ ( t

~S of If gtd )I t t-D(~(0lsm V (we t ut_

e(i bgt n d ~) t fA e ( P Iie s v () IA I ~ I riotLt tO Ie (1lt llOu ct I tIc )t

Part E Application (1 marks)

_0 (10 Jr Of ) 1 Marathon runners have discovered that taking walk breaks during a race may get I t ~ them to the finish line faster than running all the way Use concepts learned during

___ lt~ (J 0 I ) this unit to explain in detail why walk breaks may be beneficial to a marathon runner ) (J)l (4 marks) EfC~ t e4-

Q (

I ( L Jhe~ (l t (I rJ 10f (U I r fi (~t (es (t t Oil be taLAf~

I ht Cl I 01 t () J f el rA f ob ( (el C( L ~i~n pIAtt

So 1 0r~ I I(I (J e 1 t t~ d f ~I)S ( f

rl u fI 0 11) 0 l) C ( lA t ~ u(h Ieuro )

) LtUO bl ((01 () I () -r J

(oft t~e I

bt(fl tC ~ I1Slti01_vlu t ( t IQ I 1) It r l l -~or )

lI

~_Ip ( celJ(f ((s

n( i (IPiJl( ( t D - 1 ThL) P Jt) ~ d tvv 10 hs thi

_ (J n 1S (j [ l 2- Howdoesa tropical fish aquarium containing fish and plants demonstrate the

L relationship between photosynthesis and cellular respiration in regards to their1 dependency on one another Give 4 distinct points (4 marks)

(arbo Qiq(iilffO L (eel t-rD(( Cnlvtlar rf)plfC I V( 11

ret Llont fl f~1Ut Jyn tntJIS 01 ttu unt _ S1(L t fSIt (19 ulfe ~ (b~4 (1( (A t e r ~r 0 to ( i t-hAshy

h syr thni ~ rt t () w ~ Ott flE( ~ n (t of PltHll lhL t JI (l f(e) ~IUl f 1t 0 r d t ent HJI

sy I ~I~ gt~ nle~ tt b~ th hsh- Oli~~ i))h -l is I(~ If ed ct j1 Ill Ir- r~ ~ 1 ft t t ( I (b 0 t a (( ( I) t () ( t II( Ielf J Qt) () Y i - L ( l-

wotCf - 1~U (ftHA lt cyd of wotef t(ji V i~ pructttu middoto( _ ~IIAIt re~p i((iti o r

a tl ~)e i I l1l ~VJthpound5IS) ( er s tkL wa ~l ((01 Q(ld H1 ~ Surv(lAblt I SflU fls Otpound [ l)(~ tfon dHI~illf If cttcrlt WCVIlaquo tlu t tt t t ( Utk~ t r tl

Communication

Use of scientific temlinology symbols conventions standard SI units Organization

and dear communication

t I )

Level 2Level 1

1 6 65 75 55 6 I1 1

Communicated with Communicated with SOME clarity and LIMITED clarity

accuracy accuracy

I

o tI ~~ ht l) ~

lV -

l

-

-

Level 3

7 75 8 1 1

Commun icated with CONSIDERABLE

accuracy

(

Level 4 ~

~85 -r 9 -I -CI0

Communicated with a HIGH DEGREE of

accuracy

I

P PART C Short Answers (l5 marks)

1 Draw a sketch below of a chloroplast and indicate the locations and the names of the two major stages of photosynthesis (3 marks)

d M8 0 stQ9~ of pnotosy(lM ) )S

- ~

)

li9h o eJl~~ t

- - shy _-ri--=-shyReCAl t ~ --shy

_ t () tI J n

TVl IctlO 0 tJ Ilprunt

I

lq -t shy~cJJ~Ul-W t R ttl - Qj 1

-shyLOlut O ( bull

~ tf m If

- _----

2 The diagram below outlines the stages of glycolysis except that a few things are missing Complete the information in the diagram by

bull Filling in the names of the molecules that are missing (full names please) (3 marks)

bull Indicate WHERE and WHAT side reactions occur (use arrows etc to indicate where these reactions happen) (4 marks)

(L

reg

Z-phosphoglyceilte 2-phosphoglycernte (2P() (2PG)

~ l

phosploenolPfnrval )hosphoellolgtynIVnle (PEP) (PEP)

r f) Il r ~ 1 ~

~ J pyrtlVAleuro pynrviOle

3 Complete the table below that compares photosynthesis to cellular respiration (6 marks)

Cellular Respiration Photosynthesis

Energy (releasedabsorbed)

Electron carrier(s)

Electron source for ETC

Electron sink for ETC

ReI p [ge ct

N ~ Or h 0- t

~ ItL-)1

(~ - t

Mitochond rion

or

~

LIl t (

l~ S b I ~ Q lA ~-

NP)H Lshy

JJ td shy I )e bull

Chloroplast

u ri=shy

-_r c

I

GiP I ~

Location of H+ reservoir

Location of ATP synthesis

0 te n t )fO fla t SpCue MiCO L r(i n() rIt bull ( Y

I -

r I t (t ~

I )(f) r LA

I rre f

Part D-1NQ(1marks)

A small meteor from space lanrds in your back yard You find what looks like space bacteria on it

You think it may use aerobic respiration

You have the following tools available to you (you may not need them ali)

bull A test kit that can detect pH O2 levels CO2 levels NH 3 leves

bull A test that can detect monosachharides

bull A petri dish

bull Glucose

bull Protein powder e H20

bull A tank of CO2 gas

A strong Ultraviolet light source Jr ( y ( r~(-

You hypothesize that the creat~srraerobic rl sPiration Des-ign an experiment to te st your

hypothesis use the equationOf aerobic respiration to justify your answer (5 marks ) r

f l 0( middot 1 l1 (

middotUipoundn J If)y lSt ~(el ~ nd r ( euroe

a~h

r Ii -r Itmiddot II nol i (h ~

(j tbull j - Utlil t bra

hfs is tht 0

- ltj er~Ii (t ) 6t() 4 e r 14~-- ~

-() 1 ~ (Stp L IjJlth OlA r ) 1( l~ ~lO fJ ) Ih p t~~)i)lr - (b )O I ~iG - C t U 0 to middot () f(~

l~ 1 () t t ~ ( -) b(U l lt) I l J pro 01 ~middotI rI r (I (1 b( 07i iILt ~d ItV( r~v( (UU 1e( L Iii $rCI Lt

How could you redesign your experiment to test if the organism underwent photosynthesis (2 marks)

Tile c~Cln9es l(wt lw o ll~ bi mocU at

1) LbL ~ thL t~ ~t 1(lt lnO-t OU l~ fYl OflI)SCI (cI ()JlcA q tl~) wl fd pl1 ano gtl~~f t U~ ~

1 to t f ( rn ~ (H I 0 L ) T- pO It l ~( (tJYltTt I (yen~I r~ ( II I- ~II j t

0 ( flant t ~e if t(l(f I) re(tt I)

~ gtd ~ t ~I Aamp(rn~ ~lO Ct (t fr I r

if t)I Pi hG 1) Jok i 1t Y r t m v f1 Ii Hl dl( I i~ e ) 1

1)

() C til tie i ~ ( t

~S of If gtd )I t t-D(~(0lsm V (we t ut_

e(i bgt n d ~) t fA e ( P Iie s v () IA I ~ I riotLt tO Ie (1lt llOu ct I tIc )t

Part E Application (1 marks)

_0 (10 Jr Of ) 1 Marathon runners have discovered that taking walk breaks during a race may get I t ~ them to the finish line faster than running all the way Use concepts learned during

___ lt~ (J 0 I ) this unit to explain in detail why walk breaks may be beneficial to a marathon runner ) (J)l (4 marks) EfC~ t e4-

Q (

I ( L Jhe~ (l t (I rJ 10f (U I r fi (~t (es (t t Oil be taLAf~

I ht Cl I 01 t () J f el rA f ob ( (el C( L ~i~n pIAtt

So 1 0r~ I I(I (J e 1 t t~ d f ~I)S ( f

rl u fI 0 11) 0 l) C ( lA t ~ u(h Ieuro )

) LtUO bl ((01 () I () -r J

(oft t~e I

bt(fl tC ~ I1Slti01_vlu t ( t IQ I 1) It r l l -~or )

lI

~_Ip ( celJ(f ((s

n( i (IPiJl( ( t D - 1 ThL) P Jt) ~ d tvv 10 hs thi

_ (J n 1S (j [ l 2- Howdoesa tropical fish aquarium containing fish and plants demonstrate the

L relationship between photosynthesis and cellular respiration in regards to their1 dependency on one another Give 4 distinct points (4 marks)

(arbo Qiq(iilffO L (eel t-rD(( Cnlvtlar rf)plfC I V( 11

ret Llont fl f~1Ut Jyn tntJIS 01 ttu unt _ S1(L t fSIt (19 ulfe ~ (b~4 (1( (A t e r ~r 0 to ( i t-hAshy

h syr thni ~ rt t () w ~ Ott flE( ~ n (t of PltHll lhL t JI (l f(e) ~IUl f 1t 0 r d t ent HJI

sy I ~I~ gt~ nle~ tt b~ th hsh- Oli~~ i))h -l is I(~ If ed ct j1 Ill Ir- r~ ~ 1 ft t t ( I (b 0 t a (( ( I) t () ( t II( Ielf J Qt) () Y i - L ( l-

wotCf - 1~U (ftHA lt cyd of wotef t(ji V i~ pructttu middoto( _ ~IIAIt re~p i((iti o r

a tl ~)e i I l1l ~VJthpound5IS) ( er s tkL wa ~l ((01 Q(ld H1 ~ Surv(lAblt I SflU fls Otpound [ l)(~ tfon dHI~illf If cttcrlt WCVIlaquo tlu t tt t t ( Utk~ t r tl

Communication

Use of scientific temlinology symbols conventions standard SI units Organization

and dear communication

t I )

Level 2Level 1

1 6 65 75 55 6 I1 1

Communicated with Communicated with SOME clarity and LIMITED clarity

accuracy accuracy

I

o tI ~~ ht l) ~

lV -

l

-

-

Level 3

7 75 8 1 1

Commun icated with CONSIDERABLE

accuracy

(

Level 4 ~

~85 -r 9 -I -CI0

Communicated with a HIGH DEGREE of

accuracy

I

2 The diagram below outlines the stages of glycolysis except that a few things are missing Complete the information in the diagram by

bull Filling in the names of the molecules that are missing (full names please) (3 marks)

bull Indicate WHERE and WHAT side reactions occur (use arrows etc to indicate where these reactions happen) (4 marks)

(L

reg

Z-phosphoglyceilte 2-phosphoglycernte (2P() (2PG)

~ l

phosploenolPfnrval )hosphoellolgtynIVnle (PEP) (PEP)

r f) Il r ~ 1 ~

~ J pyrtlVAleuro pynrviOle

3 Complete the table below that compares photosynthesis to cellular respiration (6 marks)

Cellular Respiration Photosynthesis

Energy (releasedabsorbed)

Electron carrier(s)

Electron source for ETC

Electron sink for ETC

ReI p [ge ct

N ~ Or h 0- t

~ ItL-)1

(~ - t

Mitochond rion

or

~

LIl t (

l~ S b I ~ Q lA ~-

NP)H Lshy

JJ td shy I )e bull

Chloroplast

u ri=shy

-_r c

I

GiP I ~

Location of H+ reservoir

Location of ATP synthesis

0 te n t )fO fla t SpCue MiCO L r(i n() rIt bull ( Y

I -

r I t (t ~

I )(f) r LA

I rre f

Part D-1NQ(1marks)

A small meteor from space lanrds in your back yard You find what looks like space bacteria on it

You think it may use aerobic respiration

You have the following tools available to you (you may not need them ali)

bull A test kit that can detect pH O2 levels CO2 levels NH 3 leves

bull A test that can detect monosachharides

bull A petri dish

bull Glucose

bull Protein powder e H20

bull A tank of CO2 gas

A strong Ultraviolet light source Jr ( y ( r~(-

You hypothesize that the creat~srraerobic rl sPiration Des-ign an experiment to te st your

hypothesis use the equationOf aerobic respiration to justify your answer (5 marks ) r

f l 0( middot 1 l1 (

middotUipoundn J If)y lSt ~(el ~ nd r ( euroe

a~h

r Ii -r Itmiddot II nol i (h ~

(j tbull j - Utlil t bra

hfs is tht 0

- ltj er~Ii (t ) 6t() 4 e r 14~-- ~

-() 1 ~ (Stp L IjJlth OlA r ) 1( l~ ~lO fJ ) Ih p t~~)i)lr - (b )O I ~iG - C t U 0 to middot () f(~

l~ 1 () t t ~ ( -) b(U l lt) I l J pro 01 ~middotI rI r (I (1 b( 07i iILt ~d ItV( r~v( (UU 1e( L Iii $rCI Lt

How could you redesign your experiment to test if the organism underwent photosynthesis (2 marks)

Tile c~Cln9es l(wt lw o ll~ bi mocU at

1) LbL ~ thL t~ ~t 1(lt lnO-t OU l~ fYl OflI)SCI (cI ()JlcA q tl~) wl fd pl1 ano gtl~~f t U~ ~

1 to t f ( rn ~ (H I 0 L ) T- pO It l ~( (tJYltTt I (yen~I r~ ( II I- ~II j t

0 ( flant t ~e if t(l(f I) re(tt I)

~ gtd ~ t ~I Aamp(rn~ ~lO Ct (t fr I r

if t)I Pi hG 1) Jok i 1t Y r t m v f1 Ii Hl dl( I i~ e ) 1

1)

() C til tie i ~ ( t

~S of If gtd )I t t-D(~(0lsm V (we t ut_

e(i bgt n d ~) t fA e ( P Iie s v () IA I ~ I riotLt tO Ie (1lt llOu ct I tIc )t

Part E Application (1 marks)

_0 (10 Jr Of ) 1 Marathon runners have discovered that taking walk breaks during a race may get I t ~ them to the finish line faster than running all the way Use concepts learned during

___ lt~ (J 0 I ) this unit to explain in detail why walk breaks may be beneficial to a marathon runner ) (J)l (4 marks) EfC~ t e4-

Q (

I ( L Jhe~ (l t (I rJ 10f (U I r fi (~t (es (t t Oil be taLAf~

I ht Cl I 01 t () J f el rA f ob ( (el C( L ~i~n pIAtt

So 1 0r~ I I(I (J e 1 t t~ d f ~I)S ( f

rl u fI 0 11) 0 l) C ( lA t ~ u(h Ieuro )

) LtUO bl ((01 () I () -r J

(oft t~e I

bt(fl tC ~ I1Slti01_vlu t ( t IQ I 1) It r l l -~or )

lI

~_Ip ( celJ(f ((s

n( i (IPiJl( ( t D - 1 ThL) P Jt) ~ d tvv 10 hs thi

_ (J n 1S (j [ l 2- Howdoesa tropical fish aquarium containing fish and plants demonstrate the

L relationship between photosynthesis and cellular respiration in regards to their1 dependency on one another Give 4 distinct points (4 marks)

(arbo Qiq(iilffO L (eel t-rD(( Cnlvtlar rf)plfC I V( 11

ret Llont fl f~1Ut Jyn tntJIS 01 ttu unt _ S1(L t fSIt (19 ulfe ~ (b~4 (1( (A t e r ~r 0 to ( i t-hAshy

h syr thni ~ rt t () w ~ Ott flE( ~ n (t of PltHll lhL t JI (l f(e) ~IUl f 1t 0 r d t ent HJI

sy I ~I~ gt~ nle~ tt b~ th hsh- Oli~~ i))h -l is I(~ If ed ct j1 Ill Ir- r~ ~ 1 ft t t ( I (b 0 t a (( ( I) t () ( t II( Ielf J Qt) () Y i - L ( l-

wotCf - 1~U (ftHA lt cyd of wotef t(ji V i~ pructttu middoto( _ ~IIAIt re~p i((iti o r

a tl ~)e i I l1l ~VJthpound5IS) ( er s tkL wa ~l ((01 Q(ld H1 ~ Surv(lAblt I SflU fls Otpound [ l)(~ tfon dHI~illf If cttcrlt WCVIlaquo tlu t tt t t ( Utk~ t r tl

Communication

Use of scientific temlinology symbols conventions standard SI units Organization

and dear communication

t I )

Level 2Level 1

1 6 65 75 55 6 I1 1

Communicated with Communicated with SOME clarity and LIMITED clarity

accuracy accuracy

I

o tI ~~ ht l) ~

lV -

l

-

-

Level 3

7 75 8 1 1

Commun icated with CONSIDERABLE

accuracy

(

Level 4 ~

~85 -r 9 -I -CI0

Communicated with a HIGH DEGREE of

accuracy

I

3 Complete the table below that compares photosynthesis to cellular respiration (6 marks)

Cellular Respiration Photosynthesis

Energy (releasedabsorbed)

Electron carrier(s)

Electron source for ETC

Electron sink for ETC

ReI p [ge ct

N ~ Or h 0- t

~ ItL-)1

(~ - t

Mitochond rion

or

~

LIl t (

l~ S b I ~ Q lA ~-

NP)H Lshy

JJ td shy I )e bull

Chloroplast

u ri=shy

-_r c

I

GiP I ~

Location of H+ reservoir

Location of ATP synthesis

0 te n t )fO fla t SpCue MiCO L r(i n() rIt bull ( Y

I -

r I t (t ~

I )(f) r LA

I rre f

Part D-1NQ(1marks)

A small meteor from space lanrds in your back yard You find what looks like space bacteria on it

You think it may use aerobic respiration

You have the following tools available to you (you may not need them ali)

bull A test kit that can detect pH O2 levels CO2 levels NH 3 leves

bull A test that can detect monosachharides

bull A petri dish

bull Glucose

bull Protein powder e H20

bull A tank of CO2 gas

A strong Ultraviolet light source Jr ( y ( r~(-

You hypothesize that the creat~srraerobic rl sPiration Des-ign an experiment to te st your

hypothesis use the equationOf aerobic respiration to justify your answer (5 marks ) r

f l 0( middot 1 l1 (

middotUipoundn J If)y lSt ~(el ~ nd r ( euroe

a~h

r Ii -r Itmiddot II nol i (h ~

(j tbull j - Utlil t bra

hfs is tht 0

- ltj er~Ii (t ) 6t() 4 e r 14~-- ~

-() 1 ~ (Stp L IjJlth OlA r ) 1( l~ ~lO fJ ) Ih p t~~)i)lr - (b )O I ~iG - C t U 0 to middot () f(~

l~ 1 () t t ~ ( -) b(U l lt) I l J pro 01 ~middotI rI r (I (1 b( 07i iILt ~d ItV( r~v( (UU 1e( L Iii $rCI Lt

How could you redesign your experiment to test if the organism underwent photosynthesis (2 marks)

Tile c~Cln9es l(wt lw o ll~ bi mocU at

1) LbL ~ thL t~ ~t 1(lt lnO-t OU l~ fYl OflI)SCI (cI ()JlcA q tl~) wl fd pl1 ano gtl~~f t U~ ~

1 to t f ( rn ~ (H I 0 L ) T- pO It l ~( (tJYltTt I (yen~I r~ ( II I- ~II j t

0 ( flant t ~e if t(l(f I) re(tt I)

~ gtd ~ t ~I Aamp(rn~ ~lO Ct (t fr I r

if t)I Pi hG 1) Jok i 1t Y r t m v f1 Ii Hl dl( I i~ e ) 1

1)

() C til tie i ~ ( t

~S of If gtd )I t t-D(~(0lsm V (we t ut_

e(i bgt n d ~) t fA e ( P Iie s v () IA I ~ I riotLt tO Ie (1lt llOu ct I tIc )t

Part E Application (1 marks)

_0 (10 Jr Of ) 1 Marathon runners have discovered that taking walk breaks during a race may get I t ~ them to the finish line faster than running all the way Use concepts learned during

___ lt~ (J 0 I ) this unit to explain in detail why walk breaks may be beneficial to a marathon runner ) (J)l (4 marks) EfC~ t e4-

Q (

I ( L Jhe~ (l t (I rJ 10f (U I r fi (~t (es (t t Oil be taLAf~

I ht Cl I 01 t () J f el rA f ob ( (el C( L ~i~n pIAtt

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How could you redesign your experiment to test if the organism underwent photosynthesis (2 marks)

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