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HIMountain girly with E. Coli ☺️
#mountians #hiking #olympicnationalpark #outdoors #creek
@hiking.with.harriet
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EXIt’s important for everyone to be clean after using the bathroom number 2 because fecal bacteria can easily spread and cause illness. Even small traces left on the skin or hands can carry germs like E. coli that lead to stomach issues, infections, and unpleasant odors. Proper cleaning removes these bacteria and helps prevent them from spreading to clothes, surfaces, food, or other people through touch.
Good bathroom hygiene also protects skin health and overall comfort. Not cleaning properly can cause irritation, rashes, infections, and discomfort over time. Washing thoroughly and cleaning hands well afterward helps maintain personal health, protects others, and keeps shared spaces more sanitary. It’s a simple habit that plays a big role in preventing disease and promoting basic cleanliness for everyone.
@explainingourhealth
430.5K
BI😂Ever wondered how a tiny bacterium like E. coli "decides" when to eat? It uses the lac operon, a genetic switch that ensures the cell doesn't waste energy making enzymes it doesn't need.
Here is the breakdown of how this biological "motion-sensor" works:
🌑 THE SWITCH OFF (Lactose is Absent or Glucose is High)
In this state, the cell keeps the machinery powered down to conserve energy.
The Repressor: A regulatory gene (lacI) constantly produces a repressor protein. When lactose is absent, this repressor binds tightly to the operator. It acts as a physical roadblock, stopping RNA polymerase in its tracks.
The Glucose Factor: The system also stays "OFF" (or at a very low idle) when glucose levels are high. Glucose is the cell’s favorite fuel. When it’s abundant, the cell lacks a signaling molecule called cAMP. Without cAMP, the "accelerator" protein (CAP) cannot bind to the DNA to jumpstart transcription.
The Result: Between the repressor roadblock and the lack of a glucose-related "boost," the structural genes (lacZ, lacY, lacA) are not expressed.
🌕 THE SWITCH ON (Lactose is Present & Glucose is Low)
The system only fully revs up when the cell is hungry for an alternative fuel.
The Inducer: When lactose enters the cell, it is converted into allolactose. This molecule binds to the repressor and changes its shape, causing it to let go of the operator.
The Green Light: With the roadblock removed and glucose levels low (which triggers the CAP "accelerator"), RNA polymerase can finally move down the DNA strand.
The Outcome: The cell produces enzymes like \beta-galactosidase to break down lactose into usable energy.
Why it Matters
The lac operon is a perfect example of dual regulation. It allows organisms to be incredibly efficient by prioritizing the best energy source available (glucose) and only "flipping the switch" for lactose when it’s truly necessary.
@biotech.symposium
@biotech.symposium
1.3K
DSPure Gerogtee chaniya choli♥️ Available in 9 different colours with vintage Dupatta😍
Lehnga:-
10 mtr plus flare
42 waist
42 length
L size blouse with margin (upto 42-44)
Pure crape lining
#dsqureclothing #dsc #lehngacholi #lehnga #coli #dupatta #vintagedupatta #navratri #navratri2024 #navratrispecial #navratrilehenga #smallbusiness #vadodara #surat #ahemdabad #gujarat #garba
@dsqure_clothing
3.9K
SOThe only love😉.
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🎥 @tanishq30._
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#coli #powerhouse #viral #reelsinstagram #instalike #follow
@sohann__8
484
ANMaaf tunduku Hitam
Ini COLI
Cowok Lari.😅
@anwardhani
875
CODay 37.
Otak gw jadi lebih plong.
Waktu kosong yang dulu kebuang buat hal sia-sia, sekarang bisa kepake buat mikirin ide atau ngejar target.
Kadang kebaikan kecil kayak berhenti coli ternyata bisa ngebuka jalan buat hal besar.
#motivasi #stoppmo #selfimprovement #nofap #pmo
@colislayer
165
IRAlloh Huma coli 😁☺️
#fyp
#bocil
@irmaaadriansyah
1.8K
KIEdhi niku vadhu...
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#templet #coli
@kickugadu
1.5M
BGNutria coli
video by @ahnf.v4
@bgpluto
44.2K
KOGördüğünüz, Escherichia coli bakterisidir.
E. coli, insanların ve hayvanların bağırsaklarında yaygın olarak bulunan çubuk şeklinde bir bakteridir. Bazı E.coli türleri insan bağırsak florasında yaşarlar, görevleri zararlı bakterilerin çoğalmasını engellemektir. Ancak; E. coli bağırsak florası dışında, ağız ve idrar yolu ile vücuda girerse orta dereceli ishalden kanlı ishale hatta böbrek yetmezliği gibi daha ciddi sağlık sorunlarına neden olabilir.
E.coli en çok sığır eti ve çiğ sütte bulunur. Bu bakterinin zararlarından korunmak için etlerimizi yeterince pişirmek, gıdalarımızı buzdolabında muhafaza etmek gibi yöntemler kullanılabilir. Aynı zamanda meyve sebzeleri, ellerimizi ve yemek yaparken kullandığımız kesme tahtaları ve bıçakları yıkayıp temiz tutmaya özen göstermeliyiz.
#bakteri #bilim #konyabilimmerkezi #ecoli
@konyabilimmerkezi
58.9K
BA🦠 ما هي البكتيريا سالبة الغرام؟
البكتيريا سالبة الغرام هي نوع من البكتيريا يتميز بتركيب خلوي خاص يجعلها تظهر باللون الوردي بعد صبغة غرام.
⚠️ بعض أنواعها قد تسبب:
التهابات المسالك البولية
التسمم الغذائي
التهابات المستشفيات
ومن أشهر أمثلتها:
Escherichia coli (E. coli)
Salmonella
Pseudomonas aeruginosa
📌 الغشاء الخارجي في هذا النوع قد يجعل بعض السلالات أكثر مقاومة لبعض المضادات الحيوية.
—
📚 المصادر:
CDC – Gram-negative bacteria
WHO – Antimicrobial resistance
Jawetz, Melnick & Adelberg’s Medical Microbiology
Murray, Medical Microbiology
تريدون اسوي الفيديو الجاي عن الموجبة الغرام؟
@bana.lab
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