The document summarizes the roles of various organelles in cellular processes from the perspective of the organelles themselves. It describes chloroplasts generating sugars, oxygen, and ATP through photosynthesis to provide food and oxygen for the world. Mitochondria generate energy through cellular respiration by converting glucose into ATP. Ribosomes translate messenger RNA into proteins to produce required proteins. The cell nucleus contains genes and ensures proper gene expression, metabolism, growth and protein production.

1. Jeev Jagat Chapter 3 Ki Adharshila
Role of various organelles in cellular processes
Moss Chloroplasts
Kristian Peters Fabelfroh - Wc – cc
I am the chloroplast an organelle of a plant cell
My chlorophyll pigments are famous for
they carry on photosynthesis by capturing suns energy
generating sugars , oxygen and ATP full of energy
producing food to eat and oxygen to breathe
for the whole world indeed from time immemorial.
I also produce fatty acids and many other chemicals
and play important role in defense activities as well;
As cell’s sensor of stress I caution & protect other cells
by producing timely signals and defense molecules .

2. Jeev jagat Ki Adharshila
We chloroplasts are happy our ancestor Cyanobacteria
Chose symbiosis with cells of Eukaria;
Millions and millions of years have since gone by
generation after generation have passed by
keeping this ‘tryst with destiny ’faithfully
maintaining mutual trust till date hopefully
have provided us with safe and secure abodes
a pleasant and friendly relationship in all its modes
which enables us to declare with great pleasure & pride
Oh hallo ! we are providers of bread worldwide.
And what is more surprising that amidst all this
we have maintained distinct personality
we live wrapped in two envelops normally
keep our DNA as rings and use our own ribos commonly.
Simultaneously coordinating with cells other organelles merrily
we carryon happily making the whole world as well happy
with our green finery .

3. Jeevjagat ki Adharshila
Kelvinsong – Wc – cc Kelvinsong - Wc - cc
Light reaction
Somepics – Wc – cc

4. Jeev jagat ki adharshila
Celvin Cycle
Mike jones Wc - cc
cK 12 .org cK 12 .org

5. JeevJagat Photosynthesis I poem
Capturing sun light the molecules of chlorophyll
of granas membranes become so excitement full
they cause split of H2o into oxygen and protons
and release them in the thylakoids lumens
They also start electron transfer chains
through a series of membrane proteins
resulting in ATP and NADPH at the end of this drill .;
With CO2 entering the scene and Rubisco catalyzing reaction
Calvin cycle begins in stroma with fanfare in measure full
ATP providing energy and NADHP causing reducing action
at appropriate stages , ensuring ultimately glucose production .
achieving their target and fulfilling their mission
they provide bag full of energy to millions of millions .
Photosynthesis II
Oh ! what a pleasure , what a surprise
Golden silky rays of sunshine as they arrive
cut a molecule of water into two slice
as if it was a cake being cut by a sharp bread knife
And each plant retains only proton ions like a good wife!
turning out oxygen molecules like an unwanted bride !.

6. Jeev jagat Ki Adharshila
Oh! How interesting to watch electron transfer
downhill through Photosystem II and up through I
and so amazing to see protons running around
hastily rushing back and forth across thylakoid membrane
from lumen to stroma and back again and again
as if they are having fun in a merry go round .!
Oh ! how astounding that a tiny molecular machine
running on proton power creates the energy currency world wide .
Is’nt it surprising that photosynthesis means synthesis by light
but only a part of it –the first one is directly run by light
the second – keeps going in the absence of it, without respite ;
And it is this Dark reaction producing glucose concludes it.
And for this the Rubisco-protein enters the scene,
fixes merrily c from Co2 in RuBp in no time , I mean
kick starts Calvin cycle straight away
as if it was a child’s play !
And Oh God ! what to say about your ways
whole world depends on this game always !.

7. Jeev jagat Ki Adharshila
Relationship between Photosynthesis & Respiration
cK 12 foundation
Ladyof Hats – Wc – cK 12 cK 12.org

8. Jeev jagat ki adharshila
Cellular respiration
Regis frey - Wc - cc
Respiration
I am the breath of Life
because of me Life survives
for I am the process which provides
energy to every cell world wide
In fact for all its requirement
everybody looks up to me day and night
And I provide a mouthful of it
but ofcourse at a price
As soon as they supply
molecules of glucose which I prize
to whet my ample appetite
I convert them into Piruvate

9. In the cytosol without fail
resulting in 2 ATP as cells net gain
and one NADH in the bargain !
during this glycolysis as they say .
Piruvate is converted into Acetyl CoA
as soon as it crosses Mitochondria’s gate ways
in its fluid full matrix always
in the aerobic respiration’spath way
The Krebs Cycle takes over from there
producing 2ATP +NADH+FADH2 the useful three
releasing Co2 as waste along with water
right then and there .
The scene of action shifts then to inner membrane where
an Electron transfer chain is set in motion thereafter
NADH & FADH2 leading with fanfare hereafter
pumping protons across the membrane in a jiffe
racing electronsthrough proteins embedded in Cristae
creating a gradient of protons across the membrane

10. coupling it with electron transfer chain
making molecular machinery move by proton power
causing oxidative phosphorylation of ADP ,however
with winning electro pair at the end of the race
jumping in eagerly waiting oxygen’s embrace
shedding ample watery ‘tears’ happily with grace
as 32 ATP molecules become available for cells use
and water is expelled as of no use.
Thus in mere 4 main steps
my efficient activities fill the bill
And I am sure you will
also admire my amazing skill .

11. Jeev jagat Mitochondria Ki Adharshila
1stImage: Open stax College Biology –Matthew Britton CC by 3.0-Khan Academy
2nd Image: Kelvin Ma – Public domain Khan Academy
3D reconstruction of a slice of rat liver mitochondrion
Carmann – Wc – Public domain

12. Jeev jagat ki Adharshila
Mammalian lung tissue-Mitochondria
Louisa Howard – Wc – Public domain
Mitochondria
I am mighty Mitochondria
the most powerful organelle in the cell’s paraphernalia
Arbiter of Life and death of all –low or high
I generate Energy to Live and Signals to die
Hence all bank upon me to survive;
And I provide all the requirement but at a price
they have to offer me ‘sweets’ like pyruvate nice
which I take with pleasure and let them sigh
for producing ATP by oxidative phosphorylation
has always been for me a matter of pride.

13. Jeev jagat ki Adharshila
But I am not happy O Man! and lament
being in a cell’s family by quirk of fate
for my ancestors submission in hoary past
I am paying the price of hard labour day and night
They call it endosymbiosis and friendly
chloroplasts are happy with it in their green finery
But I am of a different make and can not tolerate
I keep my identity distinct as a person with pride
and remain enveloped in membranes twice
keeping my chromos and ribos safely inside
multiplying by binary fission only ,like bacterial ancestors, I prize
and passing on of my distinct genes only maternally - likewise .
I play important role in many cellular activities you can say
for in regulation of cell metabolism, Apoptosis ,signaling pathways
immunity , Ca balance, hemostasis , stem cell regulation, detoxification
of liver ,hormone production ,cell growth and differentiation
I have my say.

14. Jeev jagat ki Adharshila
Cell Nucleus
Lady of Hats – Wc – Public domain
I am a bit ball like but not for play
generally the cell’s biggest organelle
its grand controller , regulator or director in a way
for I contain the genes threading their way
holding hereditary information, so I hold the sway
discharging responsibility for gene expression
ensuring DNA’s proper & timely transcription.
I coordinate metabolism growth & protein production
and play important role in defense ,cell division & fertilization.

15. Jeev jagat Ribosomes ki adharshhila
Ribosome Showing large ( red ) and ( small ) subunits fit together
Vossaman – Wc - cc
Boumphryfr - Wc --- cc

16. Jeev jagat Ki Adharshila
Laura Guerin - CC by NC 3.0 – cK 12
We are tiny molecular machines
made of m RNA and Proteins
one of the oldest and most essential
components of living cells
on our toes from time immemorial
producing required proteins
right when it began to tick
and the very first cell breathed .
{ 3.- 4 billion years ago
In the great Pre Cambrian seas ! }

17. Jeevjagat Our small and bigger unit
like pin and socket fit
we reside in all living cells
on their endoplasmic reticulum
or float freely in their cytoplasm
or stroma of chloroplasts
or else in the mitochondrial matrix
in various numbers from just a few
to several hundred in many organisms
We always obey Nuclear’s command
sent through the messenger RNA to us
Reading it we translate it into desired protein
with the help of t RNA which brings in
the amino acid molecules quickly one by one
the smaller unit acting as reader of the tale
the bigger unit joins them and the chain moves on.
We are a dynamic entity and keep moving
both units remaining separate at first
And then joining as and when required
We also keep moving while reading m RNA
and translating the message into protein.

18. Jeev jagat ki Adharshila
One shouldn’t underestimate any one for being small
we have shown in billions of years which have passed for all.
for cellular life can not be imagined without us bhai
No living being can without us thrive
Unless you consider Virus alive
But it is non cellular remember, even if live .
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