LT - 2026 - 2027 _ ONLINE BATCH _ BOTANY [ SUMAN sir ] CLASS -08

[00:00:07]Good morning all of you.

[00:00:10]Am I audible to you?

[00:00:13]Is it clear?

[00:00:17]Come on. Answer to me. Is it okay?

[00:00:21]Is it everything clear?

[00:00:23]Going fine?

[00:00:27]Done.

[00:00:31]Good morning.

[00:00:34]Yes.

[00:00:36]See, in the last class we were discussing about bacterial or prokaryotic cell introduction we have given, right?

[00:00:50]Now, in this class I will continue some more details about prokaryotic cell and almost prokaryotic cell will complete in this.

[00:01:02]Let us begin the story.

[00:01:04]Cell prokaryotic cell and its modification.

[00:01:11]Cell envelope.

[00:01:13]In case of prokaryotic cell, then how does this envelope work and what are the things present in the envelope?

[00:01:23]On the basis of envelope, how to study prokaryotic cell. Remember from here some kind of fundamental things we have to understand.

[00:01:32]These fundamentals later will help us to understand biological classification.

[00:01:39]There is one bio Is it Okay?

[00:01:47]Is it okay? Then, come back to the story.

[00:01:51]Is everything going fine?

[00:01:54]Screen is blinking.

[00:01:57]No issue. It will be set up automatically.

[00:02:00]Then come on.

[00:02:02]>> [snorts] >> Cell envelope.

[00:02:05]The outer covering of bacterial cell outer covering of bacterial cell or prokaryotic cell it is known as cell envelope.

[00:02:21]Now, I'm talking how does this cell envelope develop?

[00:02:26]First and foremost thing for any cell if you want to call something as a cell okay?

[00:02:36]Is it everything fine? The video is coming continuously? You just check it and tell me one students once tell me if the video is perfectly coming or not.

[00:02:47]One friend for me.

[00:02:50]Okay? Wait a minute.

[00:03:02]Okay?

[00:03:07]Blinking. Just check it.

[00:03:13]Ah.

[00:03:15]Cell envelope and modifications I'm talking about.

[00:03:19]You wanted to call something as a cell.

[00:03:23]In a cell foremost important thing cell must be having is cell membrane.

[00:03:32]Imagine.

[00:03:33]There may be variety of cells. Some may have cell organelles, some may not have cell organelles, some may have variety of external structures. So many modifications will be there cell to cell.

[00:03:46]But one thing will be common for all the cells that is called plasma membrane.

[00:03:51]Without the plasma membrane, there is no cell at all. So, you are calling something as a cell, first and foremost thing that component must be having is plasma membrane.

[00:04:04]Plasma membrane is there.

[00:04:06]Okay. After the plasma membrane, in some of the bacterial cell or in most of the bacterial cell, there will be a presence of a wall around the plasma membrane. This is cell wall.

[00:04:21]>> Sir, cell Sir, one second.

[00:04:24]>> I'm working.

[00:04:26]>> Just reconnecting.

[00:04:28]Wait.