@hmaidoki: Yadda na hada inbiuld coller me hade da Hamada Riga kuyi like kuyi share don wasu su amfana #hmaidoki #duniyarstyle

Umar h maidoki

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Friday 31 July 2026 08:11:08 GMT

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IRESPECTANYONE'WHO'MYFATHER'S :

dn Allah za a iyama riga marar Brest cup

2026-08-03 18:17:20

1

JAY BOY🦅🦅 :

muna so ayimana vedio na yan kawa

2026-09-22 13:04:55

2

@LADY- A- FASHION DESIGNER :

Dan Allah Muna bukatan ganin yanda ake yankawa

2026-07-31 10:42:48

6

pinkystiches✂️👗 :

hw to cut it pls

2026-08-07 12:56:20

1

just me :

please how to cut it

2026-08-05 08:47:57

2

H@nn@fiy@ Abub@kar :

nice one👌

2026-08-18 08:42:55

1

@madaniya77 :

nice

2026-08-04 20:14:21

1

Amina Muhammad 220 :

thanks

2026-08-05 06:36:55

1

Shamziey 𓆩♡𓆪 :

Allah yakara basiri oga

2026-09-21 21:14:43

1

Swags clothing :

Masha Allah

2026-08-23 07:46:34

1

hussainiusman1349 :

dan allah Yaya akeyankashi

2026-08-04 09:12:01

1

farhat Ahmed :

Thank you

2026-09-19 05:10:09

1

Bori Sanhgo :

جيد

2026-08-28 22:23:41

1

Nusaiba Ishaq :

please anuna mana yankan

2026-08-14 04:56:10

2

aunty Khadija :

masha Allah anunamana yankan

2026-08-12 23:40:10

2

Ummul Ammii :

please anuna

2026-08-07 22:25:54

1

user7102033238109 :

inason ganin yankan

2026-08-09 21:12:52

1

@sarah fashion house :

masha Allah

2026-07-31 15:50:25

1

Soja's Wife :

Masha Allah Allah ya Kara basira Dan Allah a nunamuna yanda za,a yanka🙏

2026-08-08 21:30:51

1

nanafirdausi :

Masha Allah ammah ayankamanah pls

2026-08-23 19:15:43

1

Ashi Abbah :

yankan plsss

2026-08-01 21:35:50

1

ayush adam :

Dan Allah Muna so mugani yankawan mungode

2026-09-05 11:57:37

1

Takawa :

Location wane gari kake

2026-08-06 16:31:29

1

F.G.A FASSION DESING :

Allah ya qara basira pls anuna mana yanka

2026-08-01 19:40:10

1

sayadioumaroualio :

dan allah ya ake yankawa

2026-08-16 23:15:50

1

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Bộ sơ mi bon dài tay kẻ sọc #phamdiutb #thoitrangtreem #setbobetrai

Bộ sơ mi bon dài tay kẻ sọc #phamdiutb #thoitrangtreem #setbobetrai

Ai đang tìm kem tẩy lông cho vùng bikini thì thử em này đi, dịu nhẹ mà hiệu quả khá ok luôn! #kemtaylong#taylong#taylongtainha #taylongchan #taylongtay

Ai đang tìm kem tẩy lông cho vùng bikini thì thử em này đi, dịu nhẹ mà hiệu quả khá ok luôn! #kemtaylong#taylong#taylongtainha #taylongchan #taylongtay

@by_september26 صددق لايفووتكم لازم تجرربونه🩵🩵

@by_september26 صددق لايفووتكم لازم تجرربونه🩵🩵

"Electron transport is a series of redox reactions that resemble a relay race or bucket brigade in that electrons are passed rapidly from one component to the next, to the endpoint of the chain where the electrons reduce molecular oxygen, producing water. There are four complexes composed of proteins, labeled I through IV in Figure 1, and the aggregation of these four complexes, together with associated mobile, accessory electron carriers, is called the electron transport chain. The electron transport chain is present in multiple copies in the inner mitochondrial membrane of eukaryotes and the plasma membrane of prokaryotes. Note, however, that the electron transport chain of prokaryotes may not require oxygen as some live in anaerobic conditions. The common feature of all electron transport chains is the presence of a proton pump to create a proton gradient across a membrane. Complex I To start, two electrons are carried to the first complex aboard NADH. This complex, labeled I, is composed of flavin mononucleotide (FMN) and an iron-sulfur (Fe-S)-containing protein. FMN, which is derived from vitamin B2, also called riboflavin, is one of several prosthetic groups or co-factors in the electron transport chain. A prosthetic group is a non-protein molecule required for the activity of a protein. Prosthetic groups are organic or inorganic, non-peptide molecules bound to a protein that facilitate its function; prosthetic groups include co-enzymes, which are the prosthetic groups of enzymes. The enzyme in complex I is NADH dehydrogenase and is a very large protein, containing 45 amino acid chains. Complex I can pump four hydrogen ions across the membrane from the matrix into the intermembrane space, and it is in this way that the hydrogen ion gradient is established and maintained between the two compartments separated by the inner mitochondrial membrane. Q and Complex II Complex II directly receives FADH2, which does not pass through complex I. The compound connecting the first and second complexes to the third is ubiquinone (Q). The Q molecule is lipid soluble and freely moves through the hydrophobic core of the membrane. Once it is reduced, (QH2), ubiquinone delivers its electrons to the next complex in the electron transport chain. Q receives the electrons derived from NADH from complex I and the electrons derived from FADH2 from complex II, including succinate dehydrogenase. This enzyme and FADH2 form a small complex that delivers electrons directly to the electron transport chain, bypassing the first complex. Since these electrons bypass and thus do not energize the proton pump in the first complex, fewer ATP molecules are made from the FADH2 electrons. The number of ATP molecules ultimately obtained is directly proportional to the number of protons pumped across the inner mitochondrial membrane. Complex III The third complex is composed of cytochrome b, another Fe-S protein, Rieske center (2Fe-2S center), and cytochrome c proteins; this complex is also called cytochrome oxidoreductase. Cytochrome proteins have a prosthetic group of heme. The heme molecule is similar to the heme in hemoglobin, but it carries electrons, not oxygen. As a result, the iron ion at its core is reduced and oxidized as it passes the electrons, fluctuating between different oxidation states: Fe++ (reduced) and Fe+++ (oxidized). The heme molecules in the cytochromes have slightly different characteristics due to the effects of the different proteins binding them, giving slightly different characteristics to each complex. Complex III pumps protons through the membrane and passes its electrons to cytochrome c for transport to the fourth complex of proteins and enzymes. Complex IV The fourth complex is composed of cytochrome proteins c, a, and a3. This complex contains two heme groups 🎥harvard online #electrontransportchain #atpsynthase #biochem #biochemistry

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