Bacterial Cell Envelope, Gram Positive and Gram Negative Bacteria
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- Опубликовано: 25 июл 2024
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You need more Microbiology videos, however I love your channel. So helpful with everything, especially Biochemistry!
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correction (i think): when a cell is placed in a hypertonic solution water moves out of the cell since solute concentration is higher outside while water concentration is higher inside the cell. therefore water moves out of the cell and the cell shrivels
No need to tell us to subcribe .I like before i even watch your video ,, You should be having one million views by now ... you are awesome
What is the manner out of which cell wall lacking bacteria sustain turgor pressure?
Thank you
he means a HYPOtonic solution. If it were HYPERtonic, the water would move outside the cell decreasing the pressure, which contradicts the point!
Hypotonic has a higher solution inside, so water would move from low (outside) to high (inside), that would increase the Pressure inside, which the Cell wall resist.
I had to recheck my notes and all because that part didn't seem right to me, but good video nonetheless :)
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Very helpful. Is it true that it's the gram negative bacteria that leaves behind the liposaccharides or endotoxins? If so, why is it that gram positive bacteria doesn't? Thanks.
Thnks a lot sir
Please make lectures on botany as well. Excellent lectures 👍
Thank-YOu, really helps for my revision for my microbiology
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thank you so much for this review - i am currently preparing for medical microbiology and I am watching these as a review. Please post more microbiology videos :D
i a case they have nagative gram bacteria so any help to give his life safe
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great , but I think there is something wrong , when a cell is placed in hypertonic solution that means there is less solute inside the cell and water will tend to move from inside to outside
yeah i believe he meant hypotonic
Hes referring to the inner environment of the cell. Usually the terms "hyper-" and "hypotonic" are taught referring to the extracellular environment, but they can be used to refer to any environment relative to its surrounding environment.
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Can i ask a question plz ?
Can you explain the part of the hypertonic solution ? I was sure it means that there are more solutes outside the cell. THANK YOU! and as always your videos are pretty amazing !!
you are awesome in your explanations. You helped me pass biochemistry.
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It’s so helpful, I like you video l hope you can have more videos it’s really great
Perfect explanation like usual. Helped me with biochemistry. Now have exam in 2 weeks. And cant study more time is limited. But u are always a help. Thank u
Fantastic lectures, i like your vivid explanation
Can we say a periplasm to the space between plasma membrane and cell wall in gram positive bacteria?
i thought there was no periplasmic space in grave positive ???
there is, except it's smaller than the one in gram negative
Pls make video about special features of archea to survive in extreme condition
@7:08
Gram (-) VS Gram (+)
@9:18
Main difference between the two.
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Just to teach you lol 😜
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How two layers of peptydoglycane are connected ? 😢
I think you mean Hypotonic
no he definitely means hypertonic - more solute, in a hypotonic solution (less solute). Water flows into the hypertonic cell through osmosis